CN104285570A - Small-sized hand-operated rice transplanter - Google Patents
Small-sized hand-operated rice transplanter Download PDFInfo
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- CN104285570A CN104285570A CN201410580711.0A CN201410580711A CN104285570A CN 104285570 A CN104285570 A CN 104285570A CN 201410580711 A CN201410580711 A CN 201410580711A CN 104285570 A CN104285570 A CN 104285570A
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Abstract
The invention provides a small-sized hand-operated rice transplanter. A frame is connected to a floating plate by use of a support and an adjusting rod; two seedling separating grasping hooks of a seedling separating mechanism on the frame correspond to two seedling outlets of a seedling tray; two groups of seedling stopping blocks of a seedling stopping mechanism on the frame are located under the two seedling outlets of the seedling tray; a first rotating shaft supported on the frame is connected with a rocking handle by use of a first chain transmission mechanism and is connected with a second rotating shaft on the frame by use of a second chain transmission mechanism; tumblers are fixed on the two ends of the second rotating shaft; seedling transplanting arms are hinged to the tumblers, respectively; the upper ends of the seedling transplanting arms are connected to the frame by use of a link mechanism; a seedling separating driving cam is arranged on the first rotating shaft, and is provided with a cam groove and a collision block; a pull rod of the seedling separating mechanism is matched with the cam groove; the collision arm of the seedling stopping mechanism corresponds to the collision block; two ends of the first rotating shaft are provided with seedling grasping hooks and hinged with seedling clamping plates by use of connecting plates; the free end of each seedling clamping plate is in contact with a guide cam on the frame; a seedling reversing plate is arranged under each guide cam and located above a seedling transplanting nick formed in the floating plate.
Description
Technical field
The present invention relates to a kind of rice transplanter, particularly a kind of small-sized hand formula rice transplanter.
Background technology
Traditional rice transplanting, that rice transplanting person one holds greatly rice shoot, another hand inserts in paddy field after separating several rice shoots, in the process of carrying out rice transplanting, rice transplanting person carries out rice transplanting under curved the state of waist for a long time being in, and rice transplanting personnel work one day, often have a pain in the back, waist stretches all difficulties, and labour intensity is very large.Along with social development, the utilization of mechanization, rice transplanter enters the rice transplanting of agro-farming, makes rice transplanting personnel eliminate the hardship of having a pain in the back.But existing take engine as the rice transplanter that power carries out rice transplanting, usual volume is larger, Heavy Weight, be adapted at the large flat area of farmland area to use, and mostly be the irregular terraced fields of fritter due to the farmland of mountain area and knob, the rice transplanter taking engine as power, because its volume is large, Heavy Weight, is carried extremely inconvenient, cannot be adapted to use at the terraced fields of climbing slope and dealing pit.For this reason, also someone designs by hand-driven baby transplanter, but due to the structure of this kind of baby transplanter separating seedlings or planting, there are some problems in seedling sending, the link such as rice transplanting, cause result of use bad, could not promote the use of.Especially existing motor-driven rice transplanting mainly for be the rice shoot of seedling-cultivation plate, the plant of this kind of rice shoot is short, and with soil block.When this kind of rice shoot requires plantation in rice transplanting one week, farmland is shallow water field, i.e. Tanaka's not lack of water, but need lack water, and the water in paddy field almost flushes with earth, and rice shoot is implanted in earth by rice transplanter, and a Zhou Houzai discharges water into field, forms deep paddy field.This motor-driven rice transplanting requires high to irrigation system, and the rice transplanter that technology adopts thus is difficult to realize effective rice transplanting at deep paddy field.But the fritter terraced fields of Hills, often lack water problem for solving, and normally utilize winter retaining to form paddy field with ponded water in winter, during to ensure rice transplanting in spring, Tanaka has enough water and meets suitable season rice transplanting.And this kind of paddy field with ponded water in winter, be only suitable for the large rice shoot plantation that plant is longer, belong to the production custom of the large rice shoot plantation of tradition, the rice transplanter of existing applicable shallow water plantation is just difficult to the need of production meeting the large rice shoot plantation of tradition, thus on hills, mountain area is difficult to promote.How to solve a difficult problem for machine rice transplantation, make the small piece paddy field of mountain area and knob also can realize machine rice transplantation, be agricultural machinery worker research topic for a long time always.
Summary of the invention
The object of the invention is the deficiency existed for existing baby transplanter, a kind of small-sized hand formula rice transplanter is provided.It can make the separating seedlings or planting of rice transplanting process Zhong Ge mechanism, keep off seedling, grab seedling, the action matching coordinative of rice transplanting, accurately, effectively ensure rice transplanting quality, and small and exquisite, light, can meet the rice transplanting operation of the irregular terraced fields in mountain area and knob, reduce labor intensity.
The object of the present invention is achieved like this: a kind of small-sized hand formula rice transplanter, comprise kickboard, frame, shake hand handle, chain-drive mechanism, seedling dish, it is characterized in that: described kickboard upper surface is provided with three supports for frames, three support distributions triangular in shape, wherein two column lower ends of two supports and frame are hinged, another support to be connected with frame by hinged adjusting rod and to lock frame angle, described seedling dish is tilting to be arranged in frame, seedling dish is provided with side by side two seedling outlets and pressure seedling frame is installed, a hinged seedling-distributing mechanism in described frame, this seedling-distributing mechanism is provided with two seedling outlets of two corresponding seedling dishes of grapple difference of separating seedlings or planting, frame also hinged one keeps off rice seedling distribution mechanism, two groups of gear seedling blocks that this gear rice seedling distribution mechanism is provided with lay respectively at below seedling dish two seedling outlets, frame supports the first rotating shaft, described first rotating shaft passes through the first chain-drive mechanism with shake hand hinged on frame drawbar being connected, first rotating shaft is connected with the second rotating shaft that frame supports by the second chain-drive mechanism, the two ends of described second rotating shaft respectively circumference are fixed with pivoted arm, the hinged transplanting arm of difference on each pivoted arm, the lower end of two transplanting arms arranges transplanting claw, transplanting arm upper end is connected with frame by linkage, described first rotating shaft is fixedly installed driving cam of separating seedlings or planting, described driving cam of separating seedlings or planting is provided with the cam path controlling seedling-distributing mechanism intermittent movement and the collision block controlling the intermittent movement of gear rice seedling distribution mechanism, described seedling-distributing mechanism is coordinated with cam path by the pull bar arranged, described gear rice seedling distribution mechanism is provided with that to touch arm corresponding with collision block, the two ends of described first rotating shaft are fixed with the connecting plate rotated with axle respectively, two elongated ends of each connecting plate are equipped with grabs seedling hook and is hinged with seedling clamping board, the free end of seedling clamping board is provided with roller and contacts with the guide cam that frame is arranged, below frame being positioned at guide cam is provided with rice shoot reversing plate, this reversing plate is positioned at above the rice transplanting breach that kickboard is provided with.
The cam path described driving cam of separating seedlings or planting controlling seedling-distributing mechanism intermittent movement is the cannelure comprising basic circle segmental arc, involute curve section and transition circle segmental arc formation, and wherein the polar equation of involute curve section is:
P=R/cosα
θ=tanβ-β；
In formula, P is footpath, pole, and R is radius, and α is basic circle segmental arc, and θ is polar angle, and β is involute curve section.
The cam path of described control seedling-distributing mechanism intermittent movement is located at an axial end of driving cam of separating seedlings or planting, another axial end of driving cam of separating seedlings or planting arranges the collision block controlling the intermittent movement of gear rice seedling distribution mechanism, this collision block is arranged on transition circle segmental arc and basic circle segmental arc junction, and collision block is V-structure.
Described guide cam is by large footpath arc section, path arc section, and the Archimedes spiral section be connected by large and small footpath arc section is formed, and wherein the guide cam center of circle is limit, and the formula of Archimedes spiral section is:
p=αxβ
In formula, P is footpath, pole, and α is large footpath arc section, and β is Archimedes spiral section.
Described guide cam is fixedly connected with rice shoot guide pad by bending contiguous block, and that leaves seedling clamping board roller between this rice shoot guide pad and path section of guide cam passes through gap.
Two grapples of separating seedlings or planting of described seedling-distributing mechanism have included L-type hook arm and elastic clip, two L-type hook arm are connected to transverse axis two ends, the bending part of transverse axis and L-type hook arm is hinged, the stiff end of elastic clip is fixedly connected with L-type hook arm bending part, the free end of elastic clip is provided with opening, the galianconism elongated end of L-type hook arm stretches in this opening, the long-armed elongated end of L-type hook arm and frame hinged, a hinged pull bar on transverse axis, the elongated end of pull bar arranges guide roller and is engaged in and separates seedlings or planting in the cam path of driving cam.
Two groups of described gear rice seedling distribution mechanism gear seedling blocks are separately fixed at the two ends of a cross bar, on cross bar hinged two bracing frames be fixedly connected with one and touch arm, the lower end of two bracing frames is connected with frame, and it is corresponding with the collision block of separating seedlings or planting on driving cam that the elongated end touching arm arranges roller.
The stage casing of described first rotating shaft is fixedly installed respectively driving cam of separating seedlings or planting, the driven sprocket of the first chain-drive mechanism, the drive sprocket of the second chain-drive mechanism, the driven sprocket of the first chain-drive mechanism is connected by the drive sprocket of the first chain with shake hand handle, the drive sprocket of the second chain-drive mechanism is connected with the driven sprocket in the second rotating shaft by the second chain, and the two end supports of the first rotating shaft is in rack-mounted axle sleeve.
It is shaping that described kickboard is that corrosion resistant plate makes, and the bottom of kickboard forms two upwards recessed grooves for field mud ridging, and the back segment of groove is set to rice transplanting breach, and this rice transplanting breach runs through bottom kickboard.
Described adjusting rod is threaded rod, and the support that one end of this threaded rod and kickboard are arranged is hinged, the other end of screw rod through bearing fixing on the transverse tube of frame lower end, by two adjusting nuts lockings.
Adopt technique scheme that the present invention is had the following advantages:
1. kickboard upper surface described in is provided with three supports for frames, three support distributions triangular in shape, and wherein two column lower ends of two supports and frame are hinged, and another support to be connected with frame by hinged adjusting rod and to lock frame angle.This structure can regulate the angle of frame as required, to meet the transplanting depth of different water depth.
2. the first rotating shaft described in is fixedly installed driving cam of separating seedlings or planting, described driving cam of separating seedlings or planting is provided with the cam path controlling seedling-distributing mechanism intermittent movement and the collision block controlling the intermittent movement of gear rice seedling distribution mechanism, described seedling-distributing mechanism is coordinated with cam path by the pull bar arranged, and described gear rice seedling distribution mechanism is provided with that to touch arm corresponding with collision block.This structure when separating seedlings or planting, can drive the coordination of seedling-distributing mechanism and gear rice seedling distribution mechanism by driving cam of separating seedlings or planting, after making gear rice seedling distribution mechanism leave seedling dish seedling outlet, seedling-distributing mechanism divides lower required rice shoot from seedling dish seedling outlet.
3. the two ends of the first rotating shaft described in are fixed with the connecting plate rotated with axle respectively, and two elongated ends of each connecting plate are equipped with grabs seedling hook and is hinged with seedling clamping board, and the free end of seedling clamping board is provided with roller and contacts with the guide cam that frame is arranged.This structure makes to grab seedling hook and seedling clamping board can with the driving cam coaxial rotation of separating seedlings or planting in the first rotating shaft, the rice shoot separated by seedling-distributing mechanism by grabbing seedling hook catches on, and clamped by seedling clamping board, above the rice transplanting breach delivering to kickboard, and by second turn of shaft-driven transplanting arm under the control of linkage, rice shoot is inserted in the mud of field.
4. the rice shoot reversing plate that below frame being positioned at guide cam is arranged, this reversing plate is positioned at above the rice transplanting breach that kickboard is provided with.Can making to clamp being sent in the process above the rice transplanting breach of kickboard by grabbing seedling hook, through reversing plate, making rice shoot conversion direction, allow rice shoot root down, be beneficial to transplanting arm rice transplanting.
5. the cam path that driving cam controls seedling-distributing mechanism intermittent movement of separating seedlings or planting described in is comprise the cannelure that basic circle segmental arc, involute curve section and transition circle segmental arc form, and wherein the polar equation of involute curve section is:
P=R/cosα θ=tanβ-β。Adopt the cannelure of this molded line, the pull bar of seedling-distributing mechanism can be made to move along involute curve section through involute curve section, pull bar is made to drive grapple of separating seedlings or planting to move to seedling dish, by control R, α, β value thus reach and control seedling pawl stroke action track, separate required rice shoot from seedling dish seedling outlet, separate seedlings or planting accurately.
6. guide cam described in is by large footpath arc section, path arc section, and the Archimedes spiral section be connected by large and small footpath arc section is formed, and wherein the guide cam center of circle is limit, and the formula of Archimedes spiral section is:
p=αxβ。Adopt the guide cam of this molded line, control seedling pawl stroke with grabbing seedling hook and be hinged with seedling clamping board action by control α, β value thus reach to coordinate, can make to grab seedling hook and seedling clamping board accurate fit, rice shoot is clamped, rice shoot is departed from grapple of separating seedlings or planting, and above the rice transplanting breach being sent to kickboard, for transplanting arm rice transplanting.
7. it is shaping that kickboard described in is that corrosion resistant plate makes, and the bottom of kickboard forms two upwards recessed grooves for field mud ridging, and the back segment of groove is set to rice transplanting breach, and this rice transplanting breach runs through bottom kickboard.This structure can make the field mud of kickboard process under groove effect, form the ridge of epirelief, rice shoot is inserted and plants on ridge, is conducive to, by shining seedling and irrigation water management, improving rice shoot survival, growth result.
The vibrational power flow of rice transplanter of the present invention is reasonable, and volume is little, lightweight, moves conveniently, and line-spacing, the seedling distance of rice transplanting are accurate, for the rice transplanting operation of the irregular terraced fields in mountain area and knob provides guarantee.
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is the structural representation of rice transplanter of the present invention;
Fig. 2 is the backsight shaft side figure of rice transplanter of the present invention;
Fig. 3 is driving cam structure chart of separating seedlings or planting of the present invention;
Fig. 4 is guide cam structure chart of the present invention;
Fig. 5 is seedling-distributing mechanism structure chart of the present invention;
Fig. 6 is gear rice seedling distribution mechanism structure chart of the present invention;
Fig. 7 is the general assembly drawing of the first rotating shaft of the present invention;
Fig. 8 is the structural representation of kickboard of the present invention.
Embodiment
See Fig. 1 to Fig. 4, a kind of embodiment of small-sized hand formula rice transplanter, comprise kickboard 8, frame 5, shake hand 1, the parts such as chain-drive mechanism, seedling dish 21.Described frame 5 is provided with drawbar 2, drawbar 2 is provided with rotating shake hand 1, and shake hand 1 handle in crankshaft structure, and is provided with a drive sprocket.Described kickboard 8 upper surface is provided with three support 9, three support distributions triangular in shape for frames, and wherein two supports 9 are hinged with two column lower ends of frame 5, and another support 9a to be connected with frame 5 by hinged adjusting rod 7 and to lock frame angle.Two column lower ends of described frame 5 weld a transverse tube 5a, and transverse tube 5a is hinged by the support 9 on axle and kickboard 8, make frame can relative to kickboard rotational angle; Described adjusting rod 7 is threaded rod, the support 9a that one end of this threaded rod and kickboard 8 are arranged is hinged, the other end of screw rod is through bearing fixing on the transverse tube 5a of frame lower end, by two adjusting nut lockings, adjusting rod 7 skewed horizontal load is between kickboard 8 and frame 5, the angle of frame can be made to change by rotating adjusting nut, this structure can realize stepless and regulate, and the scope of adjustment is trickleer and extensive.Described seedling dish 21 is tilting to be arranged in frame 5, and seedling dish 21 is provided with side by side two seedling outlets and is provided with pressure seedling frame 23, pressure seedling frame 23 is provided with two seedling pressing rods 22, leaves the space of placing rice shoot between seedling pressing rod 22 and seedling dish 21.A hinged seedling-distributing mechanism in described frame 5, this seedling-distributing mechanism is provided with two seedling outlets of two corresponding seedling dishes 21 of grapple 4 difference of separating seedlings or planting, frame 5 also hinged one keeps off rice seedling distribution mechanism, and two groups of gear seedling blocks 18 that this gear rice seedling distribution mechanism is provided with lay respectively at below two seedling outlets of seedling dish 21.Described frame 5 supports the first rotating shaft 36(and sees Fig. 7), described first rotating shaft 36 is connected 1 with shake hand hinged on frame drawbar 2 by the first chain-drive mechanism, and the first rotating shaft 36 is connected with the second rotating shaft 26 that frame 5 supports by the second chain-drive mechanism.The stage casing of described first rotating shaft 36 is fixedly installed respectively the drive sprocket 34 of driven sprocket 35, second chain-drive mechanism of driving cam 6, first chain-drive mechanism of separating seedlings or planting, the driven sprocket 35 of the first chain-drive mechanism is connected the drive sprocket of 1 with shake hand by the first chain 3, the drive sprocket 34 of the second chain-drive mechanism is connected with the driven sprocket in the second rotating shaft 26 by the second chain 13, the two end supports of the first rotating shaft 36 is in the axle sleeve 38 be arranged in frame 5, this axle sleeve 38, by the installing plate 37 welded together, is fixed by bolts in frame 5.In the axle sleeve of two end supports installation in addition in frame of described second rotating shaft 26, this axle sleeve is also the installing plate by welding together, and is fixed by bolts in frame, the second rotating shaft and the first shaft parallel.The two ends of described second rotating shaft 26 respectively circumference are fixed with pivoted arm 14, the hinged transplanting arm 12 of difference on each pivoted arm 14, the lower end of two transplanting arms 12 arranges transplanting claw 11, transplanting arm 12 upper end is connected with frame 5 by linkage 25, make transplanting arm 12 under the drive of pivoted arm 14 and the control of linkage 25, can move up and down, rice shoot be inserted in the mud of field.The driving cam 6 of separating seedlings or planting that described first rotating shaft is fixedly installed is provided with the cam path 6c controlling seedling-distributing mechanism intermittent movement and the collision block 33 controlling the intermittent movement of gear rice seedling distribution mechanism.The cam path 6c described driving cam of separating seedlings or planting controlling seedling-distributing mechanism intermittent movement is the cannelure comprising basic circle segmental arc α, involute curve section β and transition circle segmental arc q formation, and wherein the polar equation of involute curve section is:
P=R/cosα
θ=tanβ-β；
In formula, P is footpath, pole, and R is radius, and α is basic circle segmental arc, and θ is polar angle, and β is involute curve section.
The involute curve section β of the present embodiment is 12.85 °, and basic circle segmental arc radius R is 65mm.By control R, α, β value thus reach and control seedling pawl stroke action track, separate required rice shoot from seedling dish seedling outlet, separate seedlings or planting accurately.
The cam path 6c of described control seedling-distributing mechanism intermittent movement is located at an axial end of driving cam 6 of separating seedlings or planting, another axial end of driving cam 6 of separating seedlings or planting arranges the collision block 33 controlling the intermittent movement of gear rice seedling distribution mechanism, this collision block 33 is arranged on transition circle segmental arc q and basic circle segmental arc α junction, and collision block 33 is V-structure.Described seedling-distributing mechanism is coordinated with cam path 6c by the pull bar 19 arranged.Described gear rice seedling distribution mechanism is provided with that to touch arm 31 corresponding with collision block 33.Control the cam path 6c of seedling-distributing mechanism intermittent movement, the pull bar 19 of seedling-distributing mechanism can be made to move along involute curve section through involute curve section, make pull bar 19 drive grapple 4 of separating seedlings or planting to move to seedling dish 21, separate required rice shoot from the seedling outlet of seedling dish 21, separate seedlings or planting accurately.And control the collision block 33 of gear rice seedling distribution mechanism intermittent movement, can through gear rice seedling distribution mechanism touch arm 31 time, promotion is touched arm 31 and angle displacement is occurred, and makes two of gear rice seedling distribution mechanism groups to keep off seedling blocks 18 and abdicate room below seedling dish seedling outlet, and rice shoot can be caught from seedling outlet grapple 4 of being separated seedlings or planting.
The two ends of described first rotating shaft 36 are fixed with the connecting plate 40 rotated with axle respectively, and two elongated ends of each connecting plate 40 are equipped with grabs seedling hook 16 and is hinged with seedling clamping board 17, and the free end of seedling clamping board 17 is provided with roller and contacts with the guide cam 15 that frame is arranged.The Archimedes spiral section β that large and small footpath arc section is connected by large footpath arc section α, path arc section, and forms by described guide cam 15, and wherein guide cam 15 center of circle is limit, and the formula of Archimedes spiral section is:
p=αxβ
In formula, P is footpath, pole, and α is large footpath arc section, and β is Archimedes spiral section.
The Archimedes spiral section β of the present embodiment is 27.12 °.Control seedling pawl stroke with grabbing seedling hook and be hinged with seedling clamping board action by control α, β value thus reach to coordinate, can make to grab seedling hook and seedling clamping board accurate fit, rice shoot is clamped, rice shoot is departed from grapple of separating seedlings or planting, and above the rice transplanting breach being sent to kickboard, for transplanting arm rice transplanting.
Described guide cam 15, drive at connecting plate 40 in the process of grabbing seedling hook 16 motion, at the roller of seedling clamping board 17 through path arc section, make seedling clamping board 17 not with to grab seedling hook 16 close, the rice shoot that the grapple 4 of separating seedlings or planting of seedling-distributing mechanism can be allowed to separate enters grabs between seedling hook 16 and seedling clamping board 17, when the roller of seedling clamping board 17 moves to large footpath arc section, seedling clamping board 17 is drawn close to grabbing seedling hook 16, clamp rice shoot in time, rice shoot can not be come off, and rice shoot is taken away from grapple 4 of separating seedlings or planting, above the rice transplanting breach 24 delivering to kickboard 8, for transplanting arm 12 provides rice transplanting.
The below described frame 5 being positioned at guide cam 15 is provided with rice shoot reversing plate 10, and this reversing plate 10 is positioned at above the rice transplanting breach 24 that kickboard 8 is provided with.By the rice shoot of grabbing seedling hook 16 and clamping, above reversing plate 10 time, transplanting arm 12 catches rice shoot to insert downwards, and rice shoot adjustment direction under the effect of reversing plate 10, makes rice shoot root down, be inserted in the mud of field.
See Fig. 5, two grapples 4 of separating seedlings or planting of described seedling-distributing mechanism have included L-type hook arm and elastic clip 20, two L-type hook arm are connected to transverse axis 27 two ends, transverse axis 27 is hinged with the bending part of L-type hook arm, the stiff end of elastic clip 20 is fixedly connected with L-type hook arm bending part, the free end of elastic clip 20 is provided with opening, the galianconism 4b elongated end of L-type hook arm stretches in this opening, the long-armed 4a elongated end of L-type hook arm and frame 5 hinged, a hinged pull bar 19 on transverse axis 27, the elongated end of pull bar 19 arranges guide roller 28 and is engaged in the cam path 6c of driving cam of separating seedlings or planting.During work, the galianconism of L-type hook arm ticks required a handful of rice shoots from seedling dish, the free end of elastic clip opens after contacting with the gear seedling block of gear rice seedling distribution mechanism, the pugil rice shoot ticked is made to enter between the galianconism of elastic clip and L-type hook arm, clamped by flexure strip, ready, catch away for grabbing seedling hook.
See Fig. 6, two groups of gear seedling blocks 18 of described gear rice seedling distribution mechanism are separately fixed at the two ends of a cross bar 30, on cross bar 30 hinged two bracing frames 29 be fixedly connected with one and touch arm 31, the lower end of two bracing frames 29 is connected with frame, and it is corresponding with the collision block 33 of separating seedlings or planting on driving cam 6 that the elongated end touching arm 31 arranges roller 32.Arrange roller 32 by the elongated end touching arm 31 to contact with the V-type collision block 33 of separating seedlings or planting on driving cam, roller moves along the inclined-plane of V-type collision block, arm 31 will be touched and drive translation-angle, and gear seedling block 18 upwards be rotated and blocks rice shoot, prevent rice shoot from automatically falling from the seedling outlet of seedling dish 21; Only have when touching after arm leaves collision block, gear seedling block just can leave the seedling outlet of seedling dish.Thereby, it is possible to avoid rice shoot to be that disordered state falls in a large number, cause separating seedlings or planting uneven.
See Fig. 7, on the basis of above-described embodiment, described guide cam 15 is fixedly connected with rice shoot guide pad 39 by bending contiguous block, and that leaves seedling clamping board 17 roller between this rice shoot guide pad 39 and path section of guide cam 15 passes through gap.Rice shoot can be interposed between rice shoot guide pad upper end by this structure, and makes seedling clamping board and grab seedling hook to open, and is conducive to rice shoot feeding seedling clamping board and grabs between seedling hook, being then jammed.
See Fig. 8, on the basis of above-described embodiment, described kickboard 8 can make shaping for corrosion resistant plate, and the bottom of kickboard forms two upwards recessed groove 8a for field mud ridging, the back segment of groove 8a is set to rice transplanting breach 24, and this rice transplanting breach 24 runs through bottom kickboard 8.Can making the field mud of kickboard 8 process under groove 8a effect, form the ridge of epirelief like this, rice shoot be inserted and plants on ridge, being conducive to, by shining seedling and irrigation water management, improving rice shoot survival, growth result.
When small-sized hand formula rice transplanter of the present invention uses, rice shoot is divided into two rows and is placed on seedling dish, two row's rice shoots are pushed down by pressing seedling frame, prevent from being scattered.Operator one holds drawbar and pulls rice transplanter to move in paddy field, one manual operating shake hand is rotating, and drive the first rotating shaft to rotate by the first chain-drive mechanism, driving cam synchronous rotary of separating seedlings or planting in first rotating shaft, driving cam of separating seedlings or planting controls seedling-distributing mechanism and gear rice seedling distribution mechanism does regular intermittent movement, separate rice shoot from seedling dish, then by with the first axis of rotation grab seedling hook the rice shoot separated caught deliver to kickboard rice transplanting mouth above.Meanwhile, the second rotating shaft driven by the second chain-drive mechanism rotates, second rotating shaft drives transplanting arm motion by pivoted arm, and the direction of motion and the rhythm of transplanting arm is controlled by the linkage be connected with transplanting arm, successively rice shoot is inserted on the Zhong Ni ridge, paddy field by the groove ridging of kickboard, complete rice transplanting process.In the activity of whole rice transplanting, rice transplanting person need not bend over just can be rice shoot is light, neat insertion paddy field in, solve small piece paddy field, and the semi-mechanization rice transplanting problem of the irregular terraced fields in mountain area and knob, alleviate the labour intensity of rice transplanting person.
Claims (10)
1. a small-sized hand formula rice transplanter, comprise kickboard, frame, shake hand handle, chain-drive mechanism, seedling dish, it is characterized in that: described kickboard upper surface is provided with three supports for frames, three support distributions triangular in shape, wherein two column lower ends of two supports and frame are hinged, another support to be connected with frame by hinged adjusting rod and to lock frame angle, described seedling dish is tilting to be arranged in frame, seedling dish is provided with side by side two seedling outlets and pressure seedling frame is installed, a hinged seedling-distributing mechanism in described frame, this seedling-distributing mechanism is provided with two seedling outlets of two corresponding seedling dishes of grapple difference of separating seedlings or planting, frame also hinged one keeps off rice seedling distribution mechanism, two groups of gear seedling blocks that this gear rice seedling distribution mechanism is provided with lay respectively at below seedling dish two seedling outlets, frame supports the first rotating shaft, described first rotating shaft passes through the first chain-drive mechanism with shake hand hinged on frame drawbar being connected, first rotating shaft is connected with the second rotating shaft that frame supports by the second chain-drive mechanism, the two ends of described second rotating shaft respectively circumference are fixed with pivoted arm, the hinged transplanting arm of difference on each pivoted arm, the lower end of two transplanting arms arranges transplanting claw, transplanting arm upper end is connected with frame by linkage, described first rotating shaft is fixedly installed driving cam of separating seedlings or planting, described driving cam of separating seedlings or planting is provided with the cam path controlling seedling-distributing mechanism intermittent movement and the collision block controlling the intermittent movement of gear rice seedling distribution mechanism, described seedling-distributing mechanism is coordinated with cam path by the pull bar arranged, described gear rice seedling distribution mechanism is provided with that to touch arm corresponding with collision block, the two ends of described first rotating shaft are fixed with the connecting plate rotated with axle respectively, two elongated ends of each connecting plate are equipped with grabs seedling hook and is hinged with seedling clamping board, the free end of seedling clamping board is provided with roller and contacts with the guide cam that frame is arranged, below frame being positioned at guide cam is provided with rice shoot reversing plate, this reversing plate is positioned at above the rice transplanting breach that kickboard is provided with.
2. small-sized hand formula rice transplanter according to claim 1, it is characterized in that: described in the separate seedlings or planting cam path that driving cam controls seedling-distributing mechanism intermittent movement be comprise the cannelure that basic circle segmental arc, involute curve section and transition circle segmental arc form, wherein the polar equation of involute curve section is:
P=R/cosα
θ=tanβ-β；
In formula, P is footpath, pole, and R is radius, and α is basic circle segmental arc, and θ is polar angle, and β is involute curve section.
3. small-sized hand formula rice transplanter according to claim 1 and 2, it is characterized in that: the cam path of described control seedling-distributing mechanism intermittent movement is located at an axial end of driving cam of separating seedlings or planting, another axial end of driving cam of separating seedlings or planting arranges the collision block controlling the intermittent movement of gear rice seedling distribution mechanism, this collision block is arranged on transition circle segmental arc and basic circle segmental arc junction, and collision block is V-structure.
4. small-sized hand formula rice transplanter according to claim 1, it is characterized in that: described guide cam is by large footpath arc section, path arc section, and Archimedes spiral section connected for large and small footpath arc section is formed, wherein the guide cam center of circle is limit, and the formula of Archimedes spiral section is:
p=αxβ
In formula, P is footpath, pole, and α is large footpath arc section, and β is Archimedes spiral section.
5. the small-sized hand formula rice transplanter according to claim 1 or 4, it is characterized in that: described guide cam is fixedly connected with rice shoot guide pad by bending contiguous block, and that leaves seedling clamping board roller between this rice shoot guide pad and path section of guide cam passes through gap.
6. small-sized hand formula rice transplanter according to claim 1, it is characterized in that: two grapples of separating seedlings or planting of described seedling-distributing mechanism have included L-type hook arm and elastic clip, two L-type hook arm are connected to transverse axis two ends, the bending part of transverse axis and L-type hook arm is hinged, the stiff end of elastic clip is fixedly connected with L-type hook arm bending part, the free end of elastic clip is provided with opening, the galianconism elongated end of L-type hook arm stretches in this opening, the long-armed elongated end of L-type hook arm and frame hinged, a hinged pull bar on transverse axis, the elongated end of pull bar arranges guide roller and is engaged in and separates seedlings or planting in the cam path of driving cam.
7. small-sized hand formula rice transplanter according to claim 1, it is characterized in that: two groups of gear seedling blocks of described gear rice seedling distribution mechanism are separately fixed at the two ends of a cross bar, on cross bar hinged two bracing frames be fixedly connected with one and touch arm, the lower end of two bracing frames is connected with frame, and it is corresponding with the collision block of separating seedlings or planting on driving cam that the elongated end touching arm arranges roller.
8. small-sized hand formula rice transplanter according to claim 1, it is characterized in that: the stage casing of described first rotating shaft is fixedly installed respectively driving cam of separating seedlings or planting, the driven sprocket of the first chain-drive mechanism, the drive sprocket of the second chain-drive mechanism, the driven sprocket of the first chain-drive mechanism is connected by the drive sprocket of the first chain with shake hand handle, the drive sprocket of the second chain-drive mechanism is connected with the driven sprocket in the second rotating shaft by the second chain, and the two end supports of the first rotating shaft is in rack-mounted axle sleeve.
9. small-sized hand formula rice transplanter according to claim 1, it is characterized in that: described kickboard is that corrosion resistant plate making is shaping, the bottom of kickboard forms two upwards recessed grooves for field mud ridging, and the back segment of groove is set to rice transplanting breach, and this rice transplanting breach runs through bottom kickboard.
10. small-sized hand formula rice transplanter according to claim 1, it is characterized in that: described adjusting rod is threaded rod, the support that one end of this threaded rod and kickboard are arranged is hinged, the other end of screw rod through bearing fixing on the transverse tube of frame lower end, by two adjusting nuts lockings.
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| CN201410580711.0A CN104285570B (en) | 2014-10-27 | 2014-10-27 | Small-sized hand-operated rice transplanter |
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| CN201410580711.0A CN104285570B (en) | 2014-10-27 | 2014-10-27 | Small-sized hand-operated rice transplanter |
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| CN104285570B CN104285570B (en) | 2017-03-22 |
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Cited By (7)
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| CN104855017A (en) * | 2015-05-19 | 2015-08-26 | 陈勇 | Rice transplanter provided with adjustable rice seedling transplanting claws |
| CN104855021A (en) * | 2015-05-19 | 2015-08-26 | 陈勇 | Rice seedling blocking and guiding device |
| CN104855018A (en) * | 2015-05-19 | 2015-08-26 | 陈勇 | Hand rice transplanter |
| CN104904390A (en) * | 2015-05-19 | 2015-09-16 | 陈勇 | Rice transplanter transplanting arm shaft pin |
| CN107960180A (en) * | 2018-01-25 | 2018-04-27 | 郭为武 | A kind of rice transplanter |
| CN114051800A (en) * | 2020-07-30 | 2022-02-18 | 熊生银 | Upgrading part for seedling separation and clamping of automatic rice transplanter for paddy field |
| CN115428631A (en) * | 2021-06-03 | 2022-12-06 | 华东交通大学 | Manual light transplanter |
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| CN104855018A (en) * | 2015-05-19 | 2015-08-26 | 陈勇 | Hand rice transplanter |
| CN104904390A (en) * | 2015-05-19 | 2015-09-16 | 陈勇 | Rice transplanter transplanting arm shaft pin |
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| CN114051800A (en) * | 2020-07-30 | 2022-02-18 | 熊生银 | Upgrading part for seedling separation and clamping of automatic rice transplanter for paddy field |
| CN115428631A (en) * | 2021-06-03 | 2022-12-06 | 华东交通大学 | Manual light transplanter |
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|---|---|
| CN104285570B (en) | 2017-03-22 |
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