CN104094709A - Elastic-sheet seedling-pushing type planting arm - Google Patents

Elastic-sheet seedling-pushing type planting arm Download PDF

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Publication number
CN104094709A
CN104094709A CN201310116938.5A CN201310116938A CN104094709A CN 104094709 A CN104094709 A CN 104094709A CN 201310116938 A CN201310116938 A CN 201310116938A CN 104094709 A CN104094709 A CN 104094709A
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CN
China
Prior art keywords
seedling
flexible element
housing
flexure strip
transplant arm
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Granted
Application number
CN201310116938.5A
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Chinese (zh)
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CN104094709B (en
Inventor
周永清
朱思洪
史庆春
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Nanjing Agricultural University
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Nanjing Agricultural University
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Priority to CN201310116938.5A priority Critical patent/CN104094709B/en
Publication of CN104094709A publication Critical patent/CN104094709A/en
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Publication of CN104094709B publication Critical patent/CN104094709B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses an elastic-sheet seedling-pushing type planting arm. A seedling needle is fixedly connected with the top of a shell, the lower side, extending out of the shell, of the seedling needle is provided with an inwards concave guide groove, and the shell is provided with a hole in the extending direction of the seedling needle. The planting arm is characterized in that a driving wheel, a middle wheel and a driven wheel are all connected with the shell through a revolute pair, the middle wheel is of a double-connection structure, one part of the middle wheel forms flexible piece transmission a with the driving wheel through a flexible piece, while the other part of the middle wheel forms flexible piece transmission b with the driven wheel through another flexible piece, one end of each elastic sheet is fixedly disposed on the flexible pieces while the other end of each elastic sheet is bent to be tightly pressed on the shell, and the elastic sheets pass through the gaps between the flexible pieces and the shell along with the flexible pieces. By virtue of the planting arm, the linear reciprocating type seedling pushing movement of a common rigid seedling pushing rod is changed to be the free returning and popping type seedling pushing movement of the elastic sheets dragged by the flexible piece transmission b, the vibration impact and noise of the planting arm are reduced, and thus the work of the planting arm is quieter and more smooth and steady.

Description

Flexure strip pushes away seedling formula transplant arm
Technical field
The present invention relates to rice transplanter, the flexure strip that is specifically related to a kind of rice transplanter planetary gear train type transplanting mechanism pushes away seedling formula transplant arm.
Background technology
Pulling seedlings device in rice transplanter transplant arm is a kind of timing reciprocator, and its effect is that the blanket appearance seedling on rice seedling box of rice seedling transplanting machine is taken off to a fritter and implanted Tanaka's device.At present, planetary gear train of rice transplanting machine formula transplanting mechanism transplant arm version and the pulling seedlings device transmission principle thereof at home and abroad on market, sold are consistent, transplant arm is realized rice transplanting track with transplanting mechanism, pulling seedlings device in transplant arm is done the straight reciprocating motion with respect to transplant arm: by plane cam, shift fork, transplanting rod and spring complete seedling pushing action jointly, its version is simple, but owing to pushing away rice seedling distribution mechanism in implementing rice transplanting operation process, to carry out work with the frequency of 100~200 times per minute, what in this process, must overcome that spring is greater than 100N pushes away seedling acting force of the spring, certainly will cause like this consumes energy high, mechanical wear is fast, relative vibration is large, the disadvantages such as service life is short.
Summary of the invention
The object of this invention is to provide a kind of flexure strip and push away seedling formula transplant arm, it is swinging shuttling movement that this transplant arm becomes straight reciprocating motion, can reduce vibratory impulse and the noise of transplant arm, quieter steady while making its work.
In order to achieve the above object, the present invention adopts following technical scheme:
Flexure strip of the present invention pushes away seedling formula transplant arm, seedling pin (7) is fixedly connected on housing (1) top, seedling pin (7) stretches out the gathering sill that housing (1) downside is partly provided with indent, housing (1) stretches out direction at seedling pin (7) and is provided with an aperture (19), it is characterized in that driving wheel (2), breast wheel (8) and driven pulley (5) connect with revolute pair with housing (1) respectively, breast wheel (8) is duplex structure, its part forms flexible element transmission a with driving wheel (2) by flexible element (3), its another part and driven pulley (5) form flexible element transmission b by flexible element (4), one end of flexure strip (6) is fixed on flexible element (4), the other end is subject to curved being pressed on housing (1), with flexible element (4), run in the guide in the space between flexible element (4) one weeks and housing (1).
Described flexure strip (6) is while naturally upholding or etc. shape, cross section is "-" shape, and lower end is stiff end.
The upper fixing flexure strip (6) of described flexible element (4) can, for a plurality of, are " one " font and longitudinally uniformly-spaced arrange.
Described flexible element transmission a and flexible element transmission b can be all chain transmission or toothed belt transmission.
The width of the gathering sill on described seedling pin (7) is more than or equal to the width of flexure strip (6).
The upper aperture (19) of described housing (1) be positioned at the upper gathering sill of seedling pin (7) under, its orthographic projection is rectangle, width equals the width of gathering sill.
On described housing (1), be provided with installing hole (9), installing hole (9) connects for described pulling seedlings device and transplant arm.
The available spring steel of described flexure strip (6) or other have larger flexible material and make.
The invention has the beneficial effects as follows:
1. with flexible flexure strip, replaced the transplanting rod of rigidity, the damaging impact to transplant arm while having avoided hard block foreign matter in transplanting rod touching field;
2. with band or chain, with flexure strip, make the linear reciprocating motion that annular gyration replaces transplanting rod, eliminated useless drawback movement, reduced the loss of energy;
3. with band or chain, with flexure strip, make the linear reciprocating motion that annular gyration replaces transplanting rod, be forced to distortion freely the stretching of flexure strip time restoring force realization push away seedling operation, vibratory impulse and noise while having evaded transplanting rod working in reciprocating mode.
Accompanying drawing explanation
Fig. 1 is structural principle schematic diagram of the present invention.
Fig. 2 is a kind of common planet gear type transplanting mechanism structural representation.
Fig. 3 is that transplant arm of the present invention is arranged on the working state schematic representation on transplanting mechanism shown in Fig. 2.
Fig. 4 is wheel (2) projection view vertically in the present invention.
Fig. 5 is the vertical view of Fig. 4.
Fig. 6 is flexure strip (6) ejection process schematic diagram.
In accompanying drawing: 1, housing, 2, driving wheel, 3, flexible element, 4, flexible element, 5, driven pulley, 6, flexure strip, 7, seedling pin, 8, breast wheel, 9, installing hole, 10, transplanting mechanism housing, 11 and 14, planetary gear square shaft end, 12 and 15, square opening on transplanting mechanism housing, 13, sun wheel shaft, 16, rice seedling, 17, through hole, 18, axle head square face, 19, the aperture on housing (1).
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, flexure strip of the present invention pushes away seedling formula transplant arm, seedling pin (7) is fixedly connected on housing (1) top, seedling pin (7) stretches out the gathering sill that housing (1) downside is partly provided with indent, housing (1) stretches out direction at seedling pin (7) and is provided with an aperture (19), it is characterized in that driving wheel (2), breast wheel (8) and driven pulley (5) connect with revolute pair with housing (1) respectively, breast wheel (8) is duplex structure, its part forms flexible element transmission a with driving wheel (2) by flexible element (3), its another part and driven pulley (5) form flexible element transmission b by flexible element (4), one end of flexure strip (6) is fixed on flexible element (4), the other end is subject to curved being pressed on housing (1), with flexible element (4), run in the guide in the space between flexible element (4) one weeks and housing (1).
Described flexure strip (6) is while naturally upholding or etc. shape, cross section is "-" shape, and lower end is stiff end, by direction shown in figure (1), installs.
The upper fixing flexure strip (6) of described flexible element (4) can, for a plurality of, are " one " font and longitudinally uniformly-spaced arrange.
Described flexible element transmission a and flexible element transmission b can be all chain transmission or toothed belt transmission.
The width of the gathering sill on described seedling pin (7) is more than or equal to the width of flexure strip (6).
The upper aperture (19) of described housing (1) be positioned at the upper gathering sill of seedling pin (7) under, its orthographic projection is rectangle, width equals the width of gathering sill.
On described housing (1), be provided with square installing hole (9), installing hole (9) connects for described pulling seedlings device and transplant arm.
The available spring steel of described flexure strip (6) or other have larger flexible material and make.
As shown in Figure 3, allow shown in Fig. 2 in transplanting mechanism planet wheel spindle through the through hole (17) at wheel (2) center in transplant arm of the present invention, planetary gear square shaft end (11) inserts installing hole (9), formation profile connects, simultaneous wheels (2) axle head square face (18) inserts square opening (12) on transplanting mechanism housing, forming profile connects, another transplant arm of the present invention is installed in the same way to transplanting mechanism, is made planetary gear square shaft end (14) all form profile with installing hole (9) and wheel (2) axle head square face (18) with square opening (15) on transplanting mechanism housing and connect.
Operation principle of the present invention is as follows:
In Fig. 3, the housing of transplanting mechanism (10) moves in a circle around sun wheel shaft (13), drive two transplant arms to do composite plane motion, make seedling pin (7) realize the required track of rice transplanting, simultaneous wheels (2) is pressed direction shown in Fig. 1 and is rotated, by flexible element transmission a and flexible element transmission b, make flexible element (4) make diagram directional ring shape shuttling movement, thereby move with one end flexure strip fixed thereon (6), because the gap between flexible element (4) and housing (1) is less, so flexure strip (6) produces flexural deformation while being pulled into housing (1), the inwall that its free end presses housing (1) slides, when flexure strip (6), being taken out of aperture (19) locates moment distortion occurs freely to reply, process as shown in Figure 6, thereby the rice shoot (16) being clipped on seedling pin (7) is pushed in soil, flexure strip (6) is pulled into housing (1) with same attitude again afterwards, seedling pin (7) seedling taking from seedling dish, when rice shoot arrives precalculated position, flexure strip (6) is just taken out of aperture (19), there is freely to reply distortion in moment, thereby the rice shoot (16) being clipped on seedling pin (7) is pushed in soil.
Above-mentioned embodiment is used for the present invention that explains; rather than limit the invention; in the protection domain of spirit of the present invention and claim, all the present invention is taked to be equal to replace or technical scheme that equivalent transformation obtains, all fall into protection scope of the present invention.

Claims (8)

1. flexure strip pushes away seedling formula transplant arm, seedling pin (7) is fixedly connected on housing (1) top, seedling pin (7) stretches out the gathering sill that housing (1) downside is partly provided with indent, housing (1) stretches out direction at seedling pin (7) and is provided with an aperture (19), it is characterized in that driving wheel (2), breast wheel (8) and driven pulley (5) connect with revolute pair with housing (1) respectively, breast wheel (8) is duplex structure, its part forms flexible element transmission a with driving wheel (2) by flexible element (3), its another part and driven pulley (5) form flexible element transmission b by flexible element (4), one end of spring leaf (6) is fixed on flexible element (4), the other end is subject to curved being pressed on housing (1), with flexible element (4), run in the guide in the space between flexible element (4) one weeks and housing (1).
2. flexure strip according to claim 1 pushes away seedling formula transplant arm, it is characterized in that when spring leaf (6) is upheld being naturally or etc. shape, cross section is "-" shape, and lower end is stiff end.
3. flexure strip according to claim 1 pushes away seedling formula transplant arm, it is characterized in that the upper fixing spring leaf (6) of flexible element (4) can, for a plurality of, are " one " font and longitudinally uniformly-spaced arrange.
4. flexure strip according to claim 1 pushes away seedling formula transplant arm, it is characterized in that flexible element transmission a and flexible element transmission b can be all chain transmission or toothed belt transmission.
5. flexure strip according to claim 1 pushes away seedling formula transplant arm, it is characterized in that the width of the gathering sill on seedling pin (7) is more than or equal to the width of spring leaf (6).
6. flexure strip according to claim 1 pushes away seedling formula transplant arm, it is characterized in that the upper aperture (19) of housing (1) be positioned at the upper gathering sill of seedling pin (7) under, its orthographic projection is rectangle, width equals the width of gathering sill.
7. flexure strip according to claim 1 pushes away seedling formula transplant arm, it is characterized in that being provided with on housing (1) installing hole (9), and installing hole (9) connects for described pulling seedlings device and transplant arm.
8. flexure strip according to claim 1 pushes away seedling formula transplant arm, it is characterized in that the available spring steel of spring leaf (6) or other have larger flexible material and make.
CN201310116938.5A 2013-04-07 2013-04-07 Flexure strip pushes away seedling formula planting arm Expired - Fee Related CN104094709B (en)

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CN104094709A true CN104094709A (en) 2014-10-15
CN104094709B CN104094709B (en) 2016-08-03

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06113632A (en) * 1992-09-30 1994-04-26 Kubota Corp Device for planting seedling
JP2006129748A (en) * 2004-11-04 2006-05-25 Yanmar Co Ltd Seedling transplanting mechanism in rice transplanter
CN201004797Y (en) * 2007-03-23 2008-01-16 孙爱国 Scallion transplanting machine
CN101317509A (en) * 2007-06-07 2008-12-10 陈邦仁 Rice seedling transplanter
CN102090191A (en) * 2010-12-03 2011-06-15 浙江理工大学 Forcible seedling pushing device of rotary separate planting mechanism of walking type rice transplanter
CN202364563U (en) * 2011-11-30 2012-08-08 宁波协力机电制造有限公司 Straight arm shape rice transplanting mechanism of rice transplanter
CN202496198U (en) * 2012-02-20 2012-10-24 山东福尔沃农业装备股份有限公司 Silent planting arm for hand-held seedling planting machine
CN202535725U (en) * 2012-04-27 2012-11-21 东北农业大学 Tray-clamping type seedling-picking mechanism of rice tray seedling transplanter
CN202635070U (en) * 2012-06-11 2013-01-02 于会涛 Planting arm of rice transplanter
CN202713946U (en) * 2012-08-21 2013-02-06 东北农业大学 Pot seedling orderly-taking device for pot seedling plate
CN203289876U (en) * 2013-04-07 2013-11-20 南京农业大学 Elastic sheet seedling-pushing type planting arm

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06113632A (en) * 1992-09-30 1994-04-26 Kubota Corp Device for planting seedling
JP2006129748A (en) * 2004-11-04 2006-05-25 Yanmar Co Ltd Seedling transplanting mechanism in rice transplanter
CN201004797Y (en) * 2007-03-23 2008-01-16 孙爱国 Scallion transplanting machine
CN101317509A (en) * 2007-06-07 2008-12-10 陈邦仁 Rice seedling transplanter
CN102090191A (en) * 2010-12-03 2011-06-15 浙江理工大学 Forcible seedling pushing device of rotary separate planting mechanism of walking type rice transplanter
CN202364563U (en) * 2011-11-30 2012-08-08 宁波协力机电制造有限公司 Straight arm shape rice transplanting mechanism of rice transplanter
CN202496198U (en) * 2012-02-20 2012-10-24 山东福尔沃农业装备股份有限公司 Silent planting arm for hand-held seedling planting machine
CN202535725U (en) * 2012-04-27 2012-11-21 东北农业大学 Tray-clamping type seedling-picking mechanism of rice tray seedling transplanter
CN202635070U (en) * 2012-06-11 2013-01-02 于会涛 Planting arm of rice transplanter
CN202713946U (en) * 2012-08-21 2013-02-06 东北农业大学 Pot seedling orderly-taking device for pot seedling plate
CN203289876U (en) * 2013-04-07 2013-11-20 南京农业大学 Elastic sheet seedling-pushing type planting arm

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