CN202818942U - Seeding taking mechanism for elliptical gear planetary gear train hole-tray seeding - Google Patents
Seeding taking mechanism for elliptical gear planetary gear train hole-tray seeding Download PDFInfo
- Publication number
- CN202818942U CN202818942U CN 201220408962 CN201220408962U CN202818942U CN 202818942 U CN202818942 U CN 202818942U CN 201220408962 CN201220408962 CN 201220408962 CN 201220408962 U CN201220408962 U CN 201220408962U CN 202818942 U CN202818942 U CN 202818942U
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- seedling
- gear
- seeding
- elliptic gear
- pushing rod
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Abstract
The utility model discloses a seeding taking mechanism for elliptical gear planetary gear train hole-tray seeding. A central elliptical gear in a gear box is fixed on a sprocket-wheel case. The central elliptical gear is respectively engaged with an upper middle elliptical gear and a lower middle elliptical gear. The upper middle elliptical gear is engaged with an upper planetary elliptical gear. The lower middle elliptical gear is engaged with a lower planetary elliptical gear. Five gear long axes on initial installation position locate at the same straight line. A fixed plate is fixedly connected with one end that a seeding pushing rod stretches out of a planting arm shell. One ends of two pieces of rotary sheets are respectively connected on two sides of the fixed plate in a hinged mode. The other ends of the two pieces of rotary sheets are respectively fixedly connected with one ends of respective seeding taking sheets. A V-shaped seeding pushing claw is fixedly connected with one end that a seeding pushing rod stretches out of a planting arm shell. The middle portion of the seeding taking sheet is embedded in two end groove of the V-shaped seeding pushing claw, so that the other end of the seeding taking sheet can form a conical degree same as a pot seeding. Due to the fact that the gear box rotates one round, two times seeding taking and two times seeding transplanting can be achieved, the seeding taking mechanism for elliptical gear planetary gear train hole-tray seeding has the advantages of being high in working efficiency, simple in structure, small in size, light in weight and weak in vibration.
Description
Technical field
The utility model relates to agricultural machinery, especially relates to a kind of elliptic gear planetary gear train cave dish seedling seedling picking mechanism.
Background technology
At present, potted tray seedling transplanter both domestic and external all is take automanual as main, and semi-automatic potted tray seedling transplanter is by the artificial seedling of feeding, and operating efficiency is not high, and when planting speed was higher, leakage seedling, missing seedling rate increased greatly.And automatically potted tray seedling transplanter has automatically to seedling, gets seedling, comparatively automation and Labor-saving, high efficiency.Although automatic potted tray seedling transplanter structure relative complex, in today that science and technology is maked rapid progress, potted tray seedling transplanter will be the main trend of from now on transplanter development automatically.If loading onto this cover automatic seedling taking mechanism at semi-automatic potted tray seedling transplanter is exactly automatic potted tray seedling transplanter structure.If this cover mechanism of soil property softer (such as paddy field, field, lake region, marshland) is exactly the full-automatic potted tray seedling transplanter of a cover, is exactly a full-automatic process from getting seedling to the seedling of planting.
Summary of the invention
The purpose of this utility model provides a kind of elliptic gear planetary gear train cave dish seedling seedling picking mechanism, the physical dimension less of this mechanism, and structure is relatively simple, vibrates also less.
In order to achieve the above object, the technical solution adopted in the utility model is:
The drive sprocket that the utility model is fixed in chain-wheel box on the power transmission shaft is connected with center sprocket wheel on being fixed in central shaft through chain, and it is affixed that central shaft stretches out chain-wheel box outer an end and gear-box; The planetary wheel mechanism of upper and lower symmetrical structure is installed in the gear-box, stretch out be equipped with respectively on the outer upper planet wheel shaft of gear-box, the lower planet wheel shaft the identical upper transplanting arm member of structure and under get the seedling arm member.Center elliptic gear in gear-box is fixed on a side of chain-wheel box by flange, the center elliptic gear respectively be fixed in upper jackshaft on upper in the middle of elliptic gear and be fixed in lower on the lower jackshaft in the middle of elliptic gear be meshed, elliptic gear is meshed with upper planet elliptic gear on being fixed in the upper planet wheel shaft in the middle of upper, and lower centre elliptic gear is meshed with lower planet elliptic gear on being fixed in the lower planet wheel shaft; The major axis of the upper planet elliptic gear in the gear-box, upper middle elliptic gear, center elliptic gear, lower middle elliptic gear and lower planet elliptic gear is located along the same line in initial installation site, and the eccentricity of its elliptic gear, the ratio of namely lacking major axis is greater than 0.99, and the geometric parameter of five elliptic gears all equates.The identical upper transplanting arm member of described structure and under get the seedling arm member, include two and get the seedling sheet, seedling-pushing rod, spring, cam, shift fork is got the seedling arm housing, pushes away the seedling pawl, two rotatable lamellas; In getting the seedling arm housing, seedling-pushing rod is installed in the axle sleeve, one end of seedling-pushing rod stretches out outside the transplant arm housing, cam is installed on the planet axis, cam can with shift fork one end in contact that is installed on the declutch shift shaft, the other end of shift fork embeds in the spring base groove of seedling-pushing rod rear end, and the spring base of seedling-pushing rod rear end is in the driving of shift fork and be enclosed within the spring action in the seedling-pushing rod and make seedling-pushing rod do back and forth movement; Fixed head is fixed in seedling-pushing rod and stretches out the outer end of transplant arm housing, one end of two rotatable lamellas is hinged on respectively the both sides of fixed head, the other end of two rotatable lamellas is affixed with an end of getting the seedling sheet separately respectively, stretching out outer seedling-pushing rod one end of transplant arm housing is connected with the V font and pushes away the seedling pawl, get seedling sheet middle part and be embedded in two end slots that the V font pushes away the seedling pawl, make the other end of getting the seedling sheet form the tapering identical with pot seedling.
The center elliptic gear maintains static, center chain wheeling driving gear case rotates, the planet elliptic gear drives the seedling arm of getting be packed in planet axis one end and does non-uniform rotation with respect to gear-box, and the absolute movement of getting the seedling arm is that the non-uniform rotation of the relative gear-box of planet elliptic gear and gear-box are around the resultant motion of the uniform circular motion of central shaft.Under the impact of this resultant motion, get the angle requirement of getting seedling and the seedling of planting that seedling claw in the seedling arm member satisfies cave dish seedling.
The beneficial effect that the utlity model has is:
The utility model has a gear-box, relative centre wheel has 2 groups of planetary system gear drives in the gear-box, and every group of planetary system transmission drives 1 and get the motion of seedling arm, and gear-box turns around, realize getting seedling 2 times, 2 transplanted seedlings, operating efficiency is higher, and is simple in structure, volume is little, lightweight, vibrate little, low cost of manufacture.By the parameter of optimizing structure, make the movement locus of getting seedling arm upper transplanting sheet cusp satisfy angle and the movement locus requirement of automatic potted-seedling picking mechanism work, its relative movement orbit of getting seedling sheet point is " shark shape ", can guarantee reliably carrying out of automatic potted-seedling picking.
Description of drawings
Fig. 1 is mechanism principle schematic diagram of the present utility model.
Fig. 2 is transmission principle schematic diagram of the present utility model.
Fig. 3 is mechanism position front view when getting seedling arm member clamping seedling.
Fig. 4 is mechanism's position side view when getting seedling arm member clamping seedling.
Fig. 5 is mechanism position front view when getting the seedling arm member and putting seedling.
Fig. 6 is mechanism's position side view when getting the seedling arm member and putting seedling.
Fig. 7 is two-dimentional installation diagram of the present utility model.
Among the figure: 1. lower planet wheel shaft, 2. the lower planet elliptic gear 3. descends jackshaft, 4. elliptic gear, 5. central shaft, 6. center elliptic gear in the middle of descending, 7. gear-box is 8. gone up jackshaft, elliptic gear in the middle of 9. going up, 10. upper planet wheel shaft, 11. upper planet elliptic gears, 12. upper transplanting arm members, 13. under get the seedling arm member, 14. center sprocket wheels, 15. chains, 16. power transmission shaft, 17. drive sprockets, 18. chain-wheel boxs, 19. flange, 20. get the seedling sheet, 21. seedling-pushing rods, 22. push away the seedling spring, 23. cams, 24. shift forks, 25. housing, 26. push away the seedling pawl, 27. rotatable lamellas, 28 pot seedling disks.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Such as Fig. 1, Fig. 2, shown in Figure 7, the drive sprocket 17 that is fixed in chain-wheel box 18 on the power transmission shaft 16 is connected with center sprocket wheel 14 on being fixed in central shaft 5 through chain 15, and it is affixed that central shaft 5 stretches out chain-wheel box 18 outer an end and gear-box 7; The planetary wheel mechanism of upper and lower symmetrical structure is installed in the gear-box 7, stretch out be equipped with respectively on the outer upper planet wheel shaft 10 of gear-box 7, the lower planet wheel shaft 1 the identical upper transplanting arm member 12 of structure and under get seedling arm member 13.Center elliptic gear 6 in gear-box 7 is fixed on a side of chain-wheel box 18 by flange 19, center elliptic gear 6 respectively be fixed in upper jackshaft 8 on upper in the middle of elliptic gear 9 and be fixed in lower on the lower jackshaft 3 in the middle of elliptic gear 4 be meshed, elliptic gear 9 is meshed with upper planet elliptic gear 11 on being fixed in upper planet wheel shaft 10 in the middle of upper, and lower centre elliptic gear 4 is meshed with lower planet elliptic gear 2 on being fixed in lower planet wheel shaft 1; The major axis of the upper planet elliptic gear 11 in the gear-box, upper middle elliptic gear 9, center elliptic gear 6, lower middle elliptic gear 4 and lower planet elliptic gear 2 is located along the same line in initial installation site, and the eccentricity of its elliptic gear, the ratio of namely lacking major axis is greater than 0.99, and the geometric parameter of five elliptic gears all equates.
As shown in Figure 3, Figure 4, the identical upper transplanting arm member of described structure 12 and under get seedling arm member 13, include two and get seedling sheet 20, seedling-pushing rod 21, spring 22, cam 23, shift fork 24 is got seedling arm housing 25, pushes away 26, two rotatable lamellas 27 of seedling pawl; In getting seedling arm housing 25, seedling-pushing rod 21 is installed in the axle sleeve, one end of seedling-pushing rod 21 stretches out outside the transplant arm housing 25, cam 23 is installed on the planet axis, cam 23 can with shift fork 24 1 end in contact that are installed on the declutch shift shaft, the other end of shift fork 24 embeds in the spring base groove of seedling-pushing rod 21 rear ends, and the spring base of seedling-pushing rod 21 rear ends is in the driving of shift fork 24 and be enclosed within spring 22 effects in the seedling-pushing rod 21 and make seedling-pushing rod 21 do back and forth movement; Fixed head is fixed in seedling-pushing rod 21 and stretches out transplant arm housing 25 end outward, one end of two rotatable lamellas 27 is hinged on respectively the both sides of fixed head, the other end of two rotatable lamellas 27 is affixed with an end of getting seedling sheet 20 separately respectively, stretching out outer seedling-pushing rod 21 1 ends of transplant arm housing 25 is connected with the V font and pushes away seedling pawl 26, get seedling sheet 20 middle parts and be embedded in two end slots that the V font pushes away seedling pawl 26, make the other end of getting seedling sheet 20 form the tapering identical with pot seedling.
Such as Fig. 2, shown in Figure 7, described center elliptic gear 6, upper planet elliptic gear 11, lower planet elliptic gear 2, upper middle elliptic gear 9, lower middle elliptic gear 4 are elliptic gears that geometric parameter all equates.
As shown in Figure 1 and Figure 2, when gear-box 7 is namely got seedling arm driving shaft around central shaft 5() counterclockwise return when circling, upper planet wheel shaft 10 turned round for 1 week with lower planet wheel shaft 1 relative gear-box 7 with opposite direction (being clockwise direction).When getting the seedling sheet and move to the A1 position, the angle of getting 20 of seedling sheets diminishes gradually, begins to enter pot seedling disk 28 clamping seedlings; When getting the seedling sheet and move to the A2 point, get seedling sheet 20 and open gradually, begin to put seedling.
Such as Fig. 1, Fig. 2, shown in Figure 7, automatic potted-seedling picking mechanism is delivered to center sprocket wheel 14 by getting seedling chain roller box drive sprocket 17, and the center sprocket wheel is connected with central shaft 5 usefulness keys.Each assembly annexation of automatic potted-seedling picking mechanism: center elliptic gear 6 is installed on the central shaft 5 by lining, central shaft 5 axle heads are affixed by spline or square key and left gear case 7, center elliptic gear 6 relies on jaw flange dish 19 fixing, elliptic gear 9 and lower middle elliptic gear 4 in the middle of the both sides of center elliptic gear 6 arrange, elliptic gear 9 and lower middle elliptic gear 4 are affixed by upper jackshaft 8 and lower jackshaft 3 separately in the middle of upper, mesh with upper planet elliptic gear 11 and lower planet elliptic gear 2 respectively again, upper planet elliptic gear 11 and lower planet elliptic gear 2 rely on spline coupling with upper planet wheel shaft 10 and lower planet wheel shaft 1 respectively, and the end that upper planet wheel shaft 10 and lower planet wheel shaft 1 stretch out gear-box is respectively with upper transplanting arm member 12 with get that seedling arm member 13 passes through key or square shaft is affixed down.The planetary gear pivot with get the line of seedling sheet cusp and the angle of planet carrier is α
0
Such as Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, upper transplanting arm member 12 and get seedling arm member 13 and be the bent-arm structure down, i.e. the plane at the mobile axis place of the rotational plane of shift fork and seedling-pushing rod existence is setovered.So both dwindle the mechanism of getting the seedling arm housing, avoided again seedling claw and the interference of getting seedling arm top cover.
Operation principle of the present utility model is:
As shown in Figure 1, central shaft 5 rotates, driven gear case 7 rotates, upper transplanting arm member 12 with under get seedling arm member 13 along with upper planet elliptic gear 11 and lower planet elliptic gear 2 rotate as variable speed relative to gear-box 7, and make non-uniform circular motion with upper planet wheel shaft 10 and lower planet wheel shaft 1 around central shaft 5.By parameter optimization, so that get the requirement that the working trajectory of seedling sheet point satisfies automatic potted-seedling picking.
As shown in Figure 3, Figure 4, each gets the seedling arm member, all is equipped with to push away the seedling device, existing take one as example, comprise get seedling sheet 20, seedling-pushing rod 21, push away seedling spring 22, cam 23, shift fork 24, get seedling arm housing 25, push away seedling pawl 26, rotatable lamella 27.Cam 24 relies on locating flange affixed with gear-box, when the planet elliptic gear when gear-box rotates, drive and get the rotation of seedling arm, affect shift fork 24 to rotate around cam 23, shift fork 24 is in cam 23 gap positions before getting pot seedling, is in free state, gets seedling sheet 20 openings this moment and reaches maximum; Shift fork 24 lifts after getting seedling, and seedling-pushing rod 21 is increased to peak, and simultaneously compression pushes away seedling spring 22, gets seedling sheet 20 openings and reaches minimum.
Above-mentioned embodiment is used for the utility model of explaining; rather than the utility model limited; in the protection domain of spirit of the present utility model and claim, any modification and change to the utility model is made all fall into protection domain of the present utility model.
Claims (2)
1. the seedling seedling picking mechanism is coiled in an elliptic gear planetary gear train cave, the drive sprocket (17) that is fixed in chain-wheel box (18) on the power transmission shaft (16) is connected with center sprocket wheel (14) on being fixed in central shaft (5) through chain (15), and it is affixed that central shaft (5) stretches out chain-wheel box (18) outer an end and gear-box (7); The planetary wheel mechanism of upper and lower symmetrical structure is installed in the gear-box (7), stretch out be equipped with respectively on the outer upper planet wheel shaft (10) of gear-box (7), the lower planet wheel shaft (1) the identical upper transplanting arm member (12) of structure and under get seedling arm member (13); It is characterized in that: the center elliptic gear (6) in gear-box (7) is fixed on a side of chain-wheel box (18) by flange (19), center elliptic gear (6) respectively be fixed in upper jackshaft (8) on upper in the middle of elliptic gear (9) and the lower centre elliptic gear (4) that is fixed on the lower jackshaft (3) be meshed, elliptic gear (9) is meshed with upper planet elliptic gear (11) on being fixed in upper planet wheel shaft (10) in the middle of upper, and lower centre elliptic gear (4) is meshed with lower planet elliptic gear (2) on being fixed in lower planet wheel shaft (1); The major axis of the upper planet elliptic gear (11) in the gear-box, upper middle elliptic gear (9), center elliptic gear (6), lower middle elliptic gear (4) and lower planet elliptic gear (2) is located along the same line in initial installation site, and the eccentricity of its elliptic gear, the ratio of namely lacking major axis is greater than 0.99, and the geometric parameter of five elliptic gears all equates.
2. a kind of elliptic gear planetary gear train according to claim 1 cave dish seedling seedling picking mechanism, it is characterized in that: the upper transplanting arm member (12) that described structure is identical and under get seedling arm member (13), include two and get seedling sheet (20), seedling-pushing rod (21), spring (22), cam (23), shift fork (24), get seedling arm housing (25), push away seedling pawl (26), two rotatable lamellas (27); In getting seedling arm housing (25), seedling-pushing rod (21) is installed in the axle sleeve, one end of seedling-pushing rod (21) stretches out outside the transplant arm housing (25), cam (23) is installed on the planet axis, cam (23) can with shift fork (24) one end in contact that are installed on the declutch shift shaft, the other end of shift fork (24) embeds in the spring base groove of seedling-pushing rod (21) rear end, and the spring base of seedling-pushing rod (21) rear end is in the driving of shift fork (24) and be enclosed within spring (22) effect in the seedling-pushing rod (21) and make seedling-pushing rod (21) do back and forth movement; Fixed head is fixed in seedling-pushing rod (21) and stretches out the outer end of transplant arm housing (25), one end of two rotatable lamellas (27) is hinged on respectively the both sides of fixed head, the other end of two rotatable lamellas (27) is affixed with an end of getting seedling sheet (20) separately respectively, stretching out outer seedling-pushing rod (21) one ends of transplant arm housing (25) is connected with the V font and pushes away seedling pawl (26), get seedling sheet (20) middle part and be embedded in two end slots that the V font pushes away seedling pawl (26), make the other end of getting seedling sheet (20) form the tapering identical with pot seedling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220408962 CN202818942U (en) | 2012-08-17 | 2012-08-17 | Seeding taking mechanism for elliptical gear planetary gear train hole-tray seeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220408962 CN202818942U (en) | 2012-08-17 | 2012-08-17 | Seeding taking mechanism for elliptical gear planetary gear train hole-tray seeding |
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| Publication Number | Publication Date |
|---|---|
| CN202818942U true CN202818942U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220408962 Expired - Fee Related CN202818942U (en) | 2012-08-17 | 2012-08-17 | Seeding taking mechanism for elliptical gear planetary gear train hole-tray seeding |
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| CN (1) | CN202818942U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103636329A (en) * | 2013-11-27 | 2014-03-19 | 浙江理工大学 | High-order mixed Fourier pitch curve non-circular gear pot seedling transplantation seedling-clamp type seedling fetching mechanism |
| CN109757168A (en) * | 2019-03-27 | 2019-05-17 | 南京农业大学 | A kind of rotation clamping type seedling picking mechanism |
-
2012
- 2012-08-17 CN CN 201220408962 patent/CN202818942U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103636329A (en) * | 2013-11-27 | 2014-03-19 | 浙江理工大学 | High-order mixed Fourier pitch curve non-circular gear pot seedling transplantation seedling-clamp type seedling fetching mechanism |
| CN109757168A (en) * | 2019-03-27 | 2019-05-17 | 南京农业大学 | A kind of rotation clamping type seedling picking mechanism |
| CN109757168B (en) * | 2019-03-27 | 2023-10-24 | 南京农业大学 | Rotary clamping type seedling taking mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20140817 |
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| EXPY | Termination of patent right or utility model |