CN201403311Y - Cylindrical gear-elliptic gear transmission system transplanting mechanism capable of eliminating gear backlash - Google Patents
Cylindrical gear-elliptic gear transmission system transplanting mechanism capable of eliminating gear backlash Download PDFInfo
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- CN201403311Y CN201403311Y CN2009201176852U CN200920117685U CN201403311Y CN 201403311 Y CN201403311 Y CN 201403311Y CN 2009201176852 U CN2009201176852 U CN 2009201176852U CN 200920117685 U CN200920117685 U CN 200920117685U CN 201403311 Y CN201403311 Y CN 201403311Y
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- jackshaft
- transmission case
- elliptic gear
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Abstract
The utility model discloses a cylindrical gear-elliptic gear transmission system transplanting mechanism capable of eliminating gear backlash. A central cylindrical gear which is hollowly sheathed onboth ends of a central shaft is fixedly connected with a machine frame by a flange, a jack shaft and a planetary shaft are successively or symmetrically and successively distributed on one side or both sides of the central cylindrical gear up and down, and an intermediate cylindrical gear and an intermediate elliptic gear are respectively meshed with the central cylindrical gear and a planetary elliptic gear. From the side view, the axis of the central shaft, the jack shaft and the planetary shaft form a triangle or the axis of the upper and the lower five shafts are distributed as two congruent triangles with the jack shaft as the opposite vertex, both ends of the jack shaft are movably supported in a seat hole of a wheel box body by a bearing and have a gap Delta, adjustment screws are radially arranged on the wheel box body along the intermediate shaft hole, or a spring leaf which abuts against an outer ring of the bearing is arranged on one side inside the bearing seat hole to eliminate gear side gap between the intermediate gear and a central gear as well as the planetary gear. The cylindrical gear-elliptic gear transmission system transplanting mechanism has the advantages ofgear backlash elimination, smooth drive, small transplanting mouth and the like, and can be used for walk type and ride type rice transplanters.
Description
Technical field
The utility model relates to agricultural machinery, especially relates to a kind of cylinder tooth-elliptic gear power train transplanting mechanism that is used for the backlash eliminated of rice transplanter.
Background technology
In existing disclosed rice transplanter transplanting mechanism document, central gear, idler gear and planetary arrangement mode in cylinder tooth-elliptic gear power train transplanting mechanism are mainly orthoscopic.The advantage that orthoscopic is arranged is that initial setting angle is determined easily, and design and calculating are all more convenient.But its volume profile is relatively large, only is applicable to high-speed transplanter.
There is not backlash in cylinder tooth-elliptic gear transmission mechanism from point of theory, but in actual applications, because the wearing and tearing in processing and rigging error and the use produce backlash in the time of can causing the engagement of cylinder gear, elliptic gear engagement, cause that transplant arm produces vibration at work, influence the uniformity and the rice transplanting quality of seedling taking amount thus.Arrange in cylinder tooth-elliptic gear power train transplanting mechanism in existing orthoscopic, be unfavorable for being provided with the device of eliminating backlash.
Summary of the invention
The purpose of this utility model provides a kind of cylinder tooth-elliptic gear power train transplanting mechanism of eliminating backlash.The physical dimension of this mechanism is less relatively, vibrates also little.
In order to achieve the above object, the technical solution adopted in the utility model is:
Be included in the central shaft two ends respectively mounting structure identical left and right transmission case body, be contained in the transplant arm on left and right transmission case body one side.Structure in the right transmission case body is as follows: the right centered cylinder gear that sky is enclosed within on the central shaft right-hand member is fixedly connected by castellated right flange and frame, both sides at right centered cylinder gear, symmetry is fixed on right intermediate cylindrical gear and the right middle elliptic gear and the right lateral star elliptic gear that is fixed on the right planet axis on the right jackshaft successively, and right lateral star shaft extension goes out the outer end of right transmission case body and is fixed with right transplant arm; See that from the side right jackshaft, right planet axis and central shaft right-hand member axial connecting line are triangular arrangement; Right centered cylinder gear and right intermediate cylindrical gears engaged, right middle elliptic gear and the engagement of right lateral star elliptic gear.
The two ends of described right jackshaft by right intermediate bearing movable supporting right transmission case body the seat hole in, the right intermediate shaft hole in transmission case body upper edge radially is provided with the right adjustment screw that contacts with right intermediate bearing outer ring, gapped δ between the outer ring of right intermediate bearing and its hole, adjusting the centre-to-centre spacing of right jackshaft and right central shaft, right lateral star between centers, thus reach eliminate right intermediate cylindrical gear and right centered cylinder gear and right in the middle of backlash between elliptic gear and right lateral star elliptic gear.
The two ends of described right jackshaft by right intermediate bearing movable supporting right transmission case body the seat hole in, gapped δ between right intermediate bearing and its hole, side in the right middle bearing bracket hole is equipped with radially the right spring leaf near right intermediate bearing outer ring, adjusting the centre-to-centre spacing of right jackshaft and right central shaft, right lateral star between centers, thus reach eliminate right intermediate cylindrical gear and right centered cylinder gear and right in the middle of backlash between elliptic gear and right lateral star elliptic gear.
Be included in the central shaft two ends respectively mounting structure identical left and right transmission case body, be contained in the upper and lower transplant arm of left and right transmission case body.Structure in the right transmission case body is as follows: the right centered cylinder gear that sky is enclosed within on the central shaft right-hand member is fixedly connected by castellated right flange and frame, both sides at right centered cylinder gear, symmetry is fixed on upper and lower right intermediate cylindrical gear and the upper and lower right middle elliptic gear and the upper and lower right lateral star elliptic gear that is fixed on the upper and lower right planet axis on the upper and lower right jackshaft successively, and upper and lower right lateral star shaft extension goes out the outer end of right transmission case body and is fixed with upper and lower right transplant arm; See from the side, go up right jackshaft, go up right planet axis and central shaft right-hand member axial connecting line and bottom right jackshaft, bottom right planet axis and central shaft right-hand member axial connecting line formation with two congruent triangles layouts of central shaft right-hand member to the top; Right centered cylinder gear and upper and lower right intermediate cylindrical gears engaged, upper and lower right middle elliptic gear and the engagement of upper and lower right lateral star elliptic gear.
On described, the two ends of bottom right jackshaft are by last, bottom right intermediate bearing movable supporting is in the seat hole of right transmission case body, on the transmission case body upper edge, the bottom right intermediate shaft hole radially is provided with last, the right adjustment screw of bottom right intermediate bearing outer ring contact, on, gapped δ between the outer ring of bottom right intermediate bearing and its hole, on adjusting, bottom right jackshaft and right central shaft, on, centre-to-centre spacing between the bottom right planet axis, thus reach in the elimination, on bottom right intermediate cylindrical gear and right centered cylinder gear reach, elliptic gear and last in the middle of the bottom right, backlash between bottom right planet elliptic gear.
The two ends of described upper and lower right jackshaft by upper and lower right intermediate bearing movable supporting right transmission case body the seat hole in, gapped δ between upper and lower right intermediate bearing and its hole, side in the upper and lower right middle bearing bracket hole is equipped with radially the right spring leaf near right intermediate bearing outer ring, adjusting the centre-to-centre spacing of upper and lower right jackshaft and right central shaft, upper and lower right lateral star between centers, thus reach eliminate upper and lower right intermediate cylindrical gear and right centered cylinder gear and upper and lower right in the middle of backlash between elliptic gear and upper and lower right lateral star elliptic gear.
The beneficial effect that the utlity model has is:
The centered cylinder gear is provided with one group of planetary system elliptic gear or is symmetrical arranged 2 groups of planetary system elliptic gears relatively in transmission case body, see from the side, central shaft, jackshaft, three axle center triangularities of planet axis or two jackshafts and two planet axis and central shaft totally five axle center constitute with central shaft two congruent triangles on top are arranged, it is littler that the box shape size design is got, obtain greatlyyer and module is optional, help improving gear teeth intensity; A transplant arm or upper and lower two transplant arms can be installed, to be applicable to legged or saddle type rice transplanter on the left and right transmission case body; The bearing movable supporting is passed through in the seat hole of transmission case body in the two ends of jackshaft, gapped δ between described bearing and housing seat hole, transmission case body upper edge intermediate shaft hole radially is provided with the adjustment screw that contacts with the midship shaft bearing outer ring, or the side in the jackshaft axis hole is equipped with radially the spring leaf near bearing outer ring, adjusting the centre-to-centre spacing between jackshaft and central shaft, planet axis, thereby eliminate backlash between idler gear and central gear, planetary gear.This kind power train transplanting mechanism structurally has advantages such as module is big, casing is little, can eliminate backlash, stable drive, and the rice transplanting cave is young, and the rice shoot orthostatic is good, and the rice transplanting track is more reasonable, both can be used for walk-behind type paddy-field work machine, also can be used for saddle type rice transplanter.
Description of drawings
Fig. 1 is the sectional stretch-out view of facing that the utility model one side is installed single transplant arm.
Fig. 2 is Fig. 1 end view of the present utility model.
Fig. 3 is the sectional stretch-out view of facing that the upper and lower symmetry of the utility model is installed two transplant arms.
Fig. 4 is the A-A cutaway view of Fig. 3.
Fig. 5 is the C-C phantom of Fig. 4.
Fig. 6 is the side-looking structural representation that spring leaf of the present utility model is adjusted backlash.
Fig. 7 is that spring leaf of the present utility model is adjusted the backlash schematic diagram.
Fig. 8 is the jackshaft front spring sheet state of packing into.
Fig. 9 is the jackshaft rear spring sheet state of packing into.
Figure 10 is the I enlarged drawing of Fig. 9.
Among the figure: 1. central shaft, 2. right flange, 3. right transmission case, 4. right centered cylinder gear, 5. right intermediate cylindrical gear, 6. right adjustment screw, 7. right adjusting nut, 8. right planet axis, 9. right lateral star elliptic gear, 10. right transplant arm parts, 11. elliptic gear in the middle of right, 12. right jackshaft, 13. right bearings, 14. right spring leafs.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 1 and Figure 2, the utility model be included in central shaft 1 two ends respectively mounting structure identical left and right transmission case body, be contained in the transplant arm on left and right transmission case body one side.Structure in the right transmission case body 3 is as follows: the right centered cylinder gear 4 that sky is enclosed within on central shaft 1 right-hand member is fixedly connected with frame by castellated right flange 2, side at right centered cylinder gear 4, be fixed on right intermediate cylindrical gear 5 and right middle elliptic gear 11 and the right lateral star elliptic gear 9 that is fixed on the right planet axis 8 on the right jackshaft 12 successively, right planet axis 8 is stretched out right transmission case body 3 outer ends and is fixed with right transplant arm 10; See that from the side right jackshaft 12, right planet axis 8 are triangular arrangement with central shaft 1 right-hand member axial connecting line; Right centered cylinder gear 4 and right intermediate cylindrical gear 5 engagements, right middle elliptic gear 11 and 9 engagements of right lateral star elliptic gear.
As Fig. 2, Fig. 5, shown in Figure 6, the two ends of described right jackshaft 12 by right intermediate bearing 13 movable supporting right transmission case body 3 the seat hole in, right jackshaft 12 apertures, transmission case body 3 upper edges are to the right adjustment screw 6 that contacts with right intermediate bearing 13 outer rings is set, gapped δ between the outer ring of right intermediate bearing 13 and its hole, adjusting the centre-to-centre spacing of 8 of right jackshaft 12 and right central shaft 1, right planet axis, thus reach eliminate right intermediate cylindrical gear 5 and right centered cylinder gear 4 and right in the middle of the backlash of 9 of elliptic gear 11 and right lateral star elliptic gears.
As Fig. 8, Fig. 9, shown in Figure 10, the two ends of described right jackshaft 12 by right intermediate bearing 13 movable supporting right transmission case body 3 the seat hole in, gapped δ between right intermediate bearing 13 and its hole, side in 13 holes of right intermediate bearing is equipped with radially the right spring leaf 14 near right intermediate bearing 13 outer rings, adjusting the centre-to-centre spacing of 8 of right jackshaft 12 and right central shaft 1, right planet axis, thus reach eliminate right intermediate cylindrical gear 5 and right centered cylinder gear 4 and right in the middle of the backlash of 9 of elliptic gear 11 and right lateral star elliptic gears.
As shown in Figure 3, Figure 4, be included in central shaft 1 two ends respectively mounting structure identical left and right transmission case body, be contained in the upper and lower transplant arm of left and right transmission case body; It is characterized in that: the structure in the right transmission case body 3 is as follows: the right centered cylinder gear 4 that sky is enclosed within on central shaft 1 right-hand member is fixedly connected with frame by castellated right flange 2, both sides at right centered cylinder gear 4, symmetry is fixed on upper and lower right intermediate cylindrical gear 5 and the upper and lower right middle elliptic gear 11 and the upper and lower right lateral star elliptic gear 9 that is fixed on the upper and lower right planet axis 8 on the upper and lower right jackshaft 12 successively, and upper and lower right planet axis 8 is stretched out right transmission case body 3 outer ends and is fixed with upper and lower right transplant arm 10; See from the side, go up right jackshaft 12, upward right planet axis 8 and central shaft 1 right-hand member axial connecting line and bottom right jackshaft 12, bottom right planet axis 8 and central shaft 1 right-hand member axial connecting line and constitute with two congruent triangles layouts of central shaft 1 right-hand member to the top; Right centered cylinder gear 4 and upper and lower right intermediate cylindrical gear 5 engagements, upper and lower right middle elliptic gear 11 and upper and lower right lateral star elliptic gear 9 engagements.
As Fig. 4, Fig. 5, shown in Figure 6, on described, the two ends of bottom right jackshaft 12 are by last, bottom right intermediate bearing 13 movable supporting are in the seat hole of right transmission case body 3, on transmission case body 3 upper edges, bottom right jackshaft 12 apertures are to being provided with last, the right adjustment screw 6 of bottom right intermediate bearing 13 outer rings contact, on, gapped δ between the outer ring of bottom right intermediate bearing 13 and its hole, on adjusting, bottom right jackshaft 12 and right central shaft 1, on, the centre-to-centre spacing that the bottom right planet axis is 8, thus reach in the elimination, bottom right intermediate cylindrical gear 5 and right centered cylinder gear 4 reach, elliptic gear 11 and last in the middle of the bottom right, the backlash that bottom right planet elliptic gear is 9.
As Fig. 7, Fig. 8, Fig. 9, shown in Figure 10, on described, the two ends of bottom right jackshaft 12 are by last, bottom right intermediate bearing 13 movable supporting are in the seat hole of right transmission case body 3, on, gapped δ between bottom right intermediate bearing 13 and its hole, on, side in 13 holes of bottom right intermediate bearing is equipped with radially the right spring leaf 14 near right intermediate bearing 13 outer rings, on adjusting, bottom right jackshaft 12 and right central shaft 1, on, the centre-to-centre spacing that the bottom right planet axis is 8, thus reach in the elimination, bottom right intermediate cylindrical gear 5 and right centered cylinder gear 4 reach, elliptic gear 11 and last in the middle of the bottom right, the backlash that bottom right planet elliptic gear is 9.
Operation principle of the present utility model is:
Transplanting mechanism power is delivered to the center sprocket wheel by rice transplanter chain-wheel box drive sprocket through chain, the drive central shaft rotates, drive a left side by central shaft, right transmission case rotates, a left side of rotating, in the right transmission case, fixing central gear is by the intermediate cylindrical gear of a side, middle elliptic gear transmission planet elliptic gear, when the planet elliptic gear around planet axis when gearcase rotates, driving single transplant arm rotates, affect shift fork to center on the stationary cam swing, shift fork passes through the ascent stage of cam and lifts before seedling taking, transplanting rod is increased to peak, and compression simultaneously pushes away the seedling spring; Before rice transplanting, the extreme higher position that shift fork is in cam keeps section in seedling taking; When seedling pawl arrival rice transplanting position, shift fork goes to cam notch, pushes away seedling spring return and promotes the downward rapid movement of transplanting rod, and rice shoot is pushed in the soil.Thereby order has been finished seedling taking, the rice transplanting action of rice seedling, realizes the mechanization transplanting of rice seedling.The motion of transplant arm parts is the planet elliptic gear around the resultant motion around the circular motion of central shaft of the non-uniform rotation of the relative gearcase of planet axis and gearcase.Central shaft is goed around, and rice transplanting once.
The operation principle of the another kind of embodiment of the utility model is:
Transplanting mechanism power is delivered to the center sprocket wheel by rice transplanter chain-wheel box drive sprocket through chain, the drive central shaft rotates, drive a left side by central shaft, right transmission case rotates, a left side of rotating, in the right transmission case, fixing central gear is by on the both sides, following intermediate cylindrical gear, in the middle elliptic gear transmission, the lower planet elliptic gear, when last, the lower planet elliptic gear is respectively around last, the lower planet axle is when gearcase rotates, in the drive, two transplant arms rotate down, affect shift fork to center on the stationary cam swing, shift fork passes through the ascent stage of cam and lifts before seedling taking, transplanting rod is increased to peak, and compression simultaneously pushes away the seedling spring; Before rice transplanting, the extreme higher position that shift fork is in cam keeps section in seedling taking; When seedling pawl arrival rice transplanting position, shift fork goes to cam notch, pushes away seedling spring return and promotes the downward rapid movement of transplanting rod, and rice shoot is pushed in the soil.Thereby order has been finished seedling taking, the rice transplanting action of rice seedling, realizes the mechanization transplanting of rice seedling.The motion of transplant arm parts is the planet elliptic gear around the resultant motion around the circular motion of central shaft of the non-uniform rotation of the relative gearcase of planet axis and gearcase.Central shaft is goed around, and upper and lower two each rice transplantings of transplant arm once are total to twice of rice transplanting.
Between the outer ring of jackshaft bearings at both ends and transmission case body seat hole gap delta is set, intermediate shaft hole radially is provided with the adjustment screw that contacts with the midship shaft bearing outer ring in the transmission case body upper edge, perhaps the side in the jackshaft axis hole is equipped with radially spring leaf near bearing outer ring on transmission case body, adjusting the centre-to-centre spacing between jackshaft and central shaft, planet axis, thus eliminate since processing and rigging error and use in the gears engaged sideshake that produces of wearing and tearing.
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 (6)
1, a kind of cylinder tooth-elliptic gear power train transplanting mechanism of eliminating backlash, be included in central shaft (1) two ends respectively mounting structure identical left and right transmission case body, be contained in the transplant arm on left and right transmission case body one side; It is characterized in that: the structure in the right transmission case body (3) is as follows: the right centered cylinder gear (4) that sky is enclosed within on central shaft (1) right-hand member is fixedly connected by castellated right flange (2) and frame, both sides at right centered cylinder gear (4), symmetry be fixed on successively on the right jackshaft (12) right intermediate cylindrical gear (5) and right in the middle of elliptic gear (11) and be fixed on right lateral star elliptic gear (9) on the right planet axis (8), right planet axis (8) is stretched out right transmission case body (a 3) end outward and is fixed with right transplant arm (10); See that from the side right jackshaft (12), right planet axis (8) are triangular arrangement with central shaft (1) right-hand member axial connecting line; Right centered cylinder gear (4) and right intermediate cylindrical gear (5) engagement, right middle elliptic gear (11) and right lateral star elliptic gear (9) engagement.
2, a kind of cylinder tooth-elliptic gear power train transplanting mechanism of eliminating backlash according to claim 1, it is characterized in that: the two ends of described right jackshaft (12) by right intermediate bearing (13) movable supporting right transmission case body (3) the seat hole in, right jackshaft (12) aperture, transmission case body (3) upper edge is to the right adjustment screw (6) that contacts with right intermediate bearing (13) outer ring is set, gapped δ between the outer ring of right intermediate bearing (13) and its hole, to adjust right jackshaft (12) and right central shaft (1), centre-to-centre spacing between right planet axis (8), thus reach the backlash of eliminating between right intermediate cylindrical gear (5) and right centered cylinder gear (4) and right middle elliptic gear (11) and right lateral star elliptic gear (9).
3, a kind of cylinder tooth-elliptic gear power train transplanting mechanism of eliminating backlash according to claim 1, it is characterized in that: the two ends of described right jackshaft (12) by right intermediate bearing (13) movable supporting right transmission case body (3) the seat hole in, gapped δ between right intermediate bearing (13) and its hole, side in right intermediate bearing (13) the seat hole is equipped with radially the right spring leaf (14) near right intermediate bearing (13) outer ring, to adjust right jackshaft (12) and right central shaft (1), centre-to-centre spacing between right planet axis (8), thus reach the backlash of eliminating between right intermediate cylindrical gear (5) and right centered cylinder gear (4) and right middle elliptic gear (11) and right lateral star elliptic gear (9).
4, a kind of cylinder tooth-elliptic gear power train transplanting mechanism of eliminating backlash, be included in central shaft (1) two ends respectively mounting structure identical left and right transmission case body, be contained in the upper and lower transplant arm of left and right transmission case body; It is characterized in that: the structure in the right transmission case body (3) is as follows: the right centered cylinder gear (4) that sky is enclosed within on central shaft (1) right-hand member is fixedly connected by castellated right flange (2) and frame, both sides at right centered cylinder gear (4), symmetry is fixed on successively, on on the bottom right jackshaft (12), on bottom right intermediate cylindrical gear (5) reaches, elliptic gear (11) and being fixed in the middle of the bottom right, on on the bottom right planet axis (8), bottom right planet elliptic gear (9), on, bottom right planet axis (8) is stretched out the outer end of right transmission case body (3) and is fixed with, bottom right transplant arm (10); See from the side, go up right jackshaft (12), go up right planet axis (8) and constitute with central shaft (1) right-hand member with central shaft (1) right-hand member axial connecting line with central shaft (1) right-hand member axial connecting line and bottom right jackshaft (12), bottom right planet axis (8) two congruent triangles on top are arranged; Right centered cylinder gear (4) and upper and lower right intermediate cylindrical gear (5) engagement, upper and lower right middle elliptic gear (11) and upper and lower right lateral star elliptic gear (9) engagement.
5, a kind of cylinder tooth-elliptic gear power train transplanting mechanism of eliminating backlash according to claim 4, it is characterized in that: on described, the two ends of bottom right jackshaft (12) are by last, bottom right intermediate bearing (13) movable supporting is in the seat hole of right transmission case body (3), on transmission case body (3) upper edge, bottom right jackshaft (12) aperture is to being provided with last, the right adjustment screw (6) of bottom right intermediate bearing (13) outer ring contact, on, gapped δ between the outer ring of bottom right intermediate bearing (13) and its hole, on adjusting, bottom right jackshaft (12) and right central shaft (1), on, centre-to-centre spacing between bottom right planet axis (8), thus reach in the elimination, on bottom right intermediate cylindrical gear (5) and right centered cylinder gear (4) reach, elliptic gear (11) and last in the middle of the bottom right, backlash between bottom right planet elliptic gear (9).
6, a kind of cylinder tooth-elliptic gear power train transplanting mechanism of eliminating backlash according to claim 4, it is characterized in that: on described, the two ends of bottom right jackshaft (12) are by last, bottom right intermediate bearing (13) movable supporting is in the seat hole of right transmission case body (3), on, gapped δ between bottom right intermediate bearing (13) and its hole, on, side in bottom right intermediate bearing (13) the seat hole is equipped with radially the right spring leaf (14) near right intermediate bearing (13) outer ring, on adjusting, bottom right jackshaft (12) and right central shaft (1), on, centre-to-centre spacing between bottom right planet axis (8), thus reach in the elimination, on bottom right intermediate cylindrical gear (5) and right centered cylinder gear (4) reach, elliptic gear (11) and last in the middle of the bottom right, backlash between bottom right planet elliptic gear (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201176852U CN201403311Y (en) | 2009-04-13 | 2009-04-13 | Cylindrical gear-elliptic gear transmission system transplanting mechanism capable of eliminating gear backlash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201176852U CN201403311Y (en) | 2009-04-13 | 2009-04-13 | Cylindrical gear-elliptic gear transmission system transplanting mechanism capable of eliminating gear backlash |
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| CN201403311Y true CN201403311Y (en) | 2010-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201176852U Expired - Fee Related CN201403311Y (en) | 2009-04-13 | 2009-04-13 | Cylindrical gear-elliptic gear transmission system transplanting mechanism capable of eliminating gear backlash |
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| CN (1) | CN201403311Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102301857A (en) * | 2011-07-19 | 2012-01-04 | 浙江理工大学 | Elliptic gear-elliptic bevel gear wide/narrow row alternated transplanting mechanism of high-speed seedling planting machine |
| CN109281992A (en) * | 2017-07-21 | 2019-01-29 | 通用电气阿维奥有限责任公司 | For distributing the transmission device of torque between two in-line gears |
-
2009
- 2009-04-13 CN CN2009201176852U patent/CN201403311Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102301857A (en) * | 2011-07-19 | 2012-01-04 | 浙江理工大学 | Elliptic gear-elliptic bevel gear wide/narrow row alternated transplanting mechanism of high-speed seedling planting machine |
| CN102301857B (en) * | 2011-07-19 | 2013-02-13 | 浙江理工大学 | Elliptic gear-elliptic bevel gear wide/narrow row alternated transplanting mechanism of high-speed seedling planting machine |
| CN109281992A (en) * | 2017-07-21 | 2019-01-29 | 通用电气阿维奥有限责任公司 | For distributing the transmission device of torque between two in-line gears |
| CN109281992B (en) * | 2017-07-21 | 2021-09-28 | 通用电气阿维奥有限责任公司 | Transmission for distributing torque between two coaxial gears |
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| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20110413 |