CN1109705A - Rice transplanter - Google Patents
Rice transplanter Download PDFInfo
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- CN1109705A CN1109705A CN94118861A CN94118861A CN1109705A CN 1109705 A CN1109705 A CN 1109705A CN 94118861 A CN94118861 A CN 94118861A CN 94118861 A CN94118861 A CN 94118861A CN 1109705 A CN1109705 A CN 1109705A
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- rice transplanting
- rice
- seedling
- rotary box
- limiting mechanism
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Abstract
The invention relates to a rice transplanting device, which is provided with a rice transplanting transmission case, a rotating box, a rice transplanting claw supporting box, a rice transplanting claw and other mechanisms. The transmission case can be supported by winding a first transverse axle (X) in a rotating way, and the rice transplanting claw supporting box can be supported through winding a second transverse axle (Y) in a revolving way. The relatively rotating movement between the rotating box and the rice transplanting claw supporting box can ensure that the front end part of the rice transplanting claw depict the specified trace for taking out the rice seedlings . Through a limiting mechanism, a motion arm which rounds the second transverse axle (Y) and is revolved with the rice transplanting claw supporting box in a whole body, is connected with a fixed pivot point which is relative to the rice transplanting transmission case through a pivot axle. Thereby, the invention can ensure that the limiting mechanism can be stretched freely in the direction of the straight line connecting the fixing pivot and the connecting point of the motion arm.
Description
The present invention relates to a kind of seedling-transplanting device, specifically, it is that a kind of rotary box that makes can be supported on the rice transplanting transmission case around first transverse axis with rotating freely, and make rice transplanting pawl supporting case freely do and be supported on rotary box with relatively rotating around second transverse axis, by the relative rotation that drives along with the rotation of rotary box between the rotary box that produced and the rice transplanting pawl supporting case, can make the leading section of rice transplanting pawl depict the seedling-transplanting device of track of the taking-up rice shoot of regulation.
Seedling-transplanting device in the past as the Japanese patent gazette spy open flat 5-23028 number put down in writing, be provided with the cam follower at the swinging end that is integral rotating motion arm around above-mentioned second transverse axis, with rice transplanting pawl supporting case, and be mounted in rotary box inside; On the guide plate that is fixed on the rice transplanting transmission case, formed the cam of band circumferential slot, this cam is that the distance from first is changed.Wherein, be arranged on cam follower on the motion arm swinging end and dressed up state in the circumferential slot of the cam that inserts the band circumferential slot.Like this, along with the rotation of rotary box drives, the cam follower just with the cam slide of being with circumferential slot mutually ground connection be directed to, make rice transplanting pawl supporting case depict regulation taking-up rice shoot track do relative revolution.
Above-mentioned seedling-transplanting device simpler structure in the past just can make rice transplanting pawl supporting case depict and take out rice shoot track ground with respect to being turned round relatively by the rotary box of revolution driving.
But, in the structure in above-mentioned past and since be with slip between the cam of being with circumferential slot and the cam follower mutually ground connection guiding limit the posture of rice transplanting pawl supporting case.This rice transplanting pawl supporting case can be supported on the rotary box freely to rotate around second.Thereby can produce the groove gap because of the error in the processing between cam follower and the cam surface.Will rock because of this groove gap produces rice transplanting pawl supporting case, so the position problem of unstable of taking out rice shoot is just arranged.In addition, the posture change with respect to band circumferential slot cam along with the motion arm that is provided with the cam follower can produce and twist the phenomenon of turning round or being withstood, and just can not lead smoothly, and therefore this mechanism haves much room for improvement.
The objective of the invention is to overcome the shortcoming of said apparatus, provide a kind of and can make the position stability that takes out rice shoot, seedling-transplanting device simple in structure the rice transplanting pawl guiding that is well on.
Feature structure of the present invention is: in the above-mentioned seedling-transplanting device, by limiting mechanism that can freely stretch, be connected by pivot with fixed pivot with respect to rice transplanting transmission case, fixed-site centering on the rotating motion arm of second transverse axis with rice transplanting pawl supporting case with being integral.
Along with the rotation of rotary box around first, rice transplanting pawl supporting case and motion arm along with this revolution, turn round limiting mechanism with regard to revolving round the sun around this rotating shaft in linkage.Because limiting mechanism is middle heart revolution to be located at fixed pivot on the eccentric position that departs from the first axis convention distance, thereby its caused variable in distance of position deviation with rotating shaft is just offset absorption by stretching of limiting mechanism.That is to say that motion arm is to determine according to the stroke of limiting mechanism around second position of rotation.Therefore, when stipulating the stroke of above-mentioned limiting mechanism, just can make rice transplanting pawl supporting case when " stroke limit mechanism " with cam mechanism or linkage and so on, be the track that the motion track of rice transplanting pawl leading section is set the taking-up seedling of depicting regulation for.
Like this, because the degree of freedom that is integral the revolution posture of rotating motion arm with rice transplanting pawl supporting case only becomes along a direction of the flexible direction of limiting mechanism, thereby, above-mentioned " stroke is stipulated mechanism " just can twist and turn round or guiding that the amount of rocking is very little, stable action just as long as control the amount of movement of a direction.
Like this, improve with above-mentioned rational structure, just can provide a kind of handle rotary box that carries out gyration and the relative gyroscopic characteristics that can support rice transplanting pawl supporting case thereon with pivot freely to rotate to be specified to obtain desired taking-up rice shoot track such guiding action, can rock or twist the seedling-transplanting device that carries out under the stable state of turning round what seldom produce the rice transplanting pawl.
Describe the present invention in detail below in conjunction with accompanying drawing, in the accompanying drawing:
Fig. 1 is the side view of seedling-transplanting device;
Fig. 2 is the cross-sectional view of rice transplanting mechanism;
Fig. 3 is the cross-sectional view of another embodiment of expression rice transplanting mechanism;
Fig. 4 is the cross section of expression rice transplanting pawl motion track;
Fig. 5 is the section plane figure of expression branch transmission mechanism;
Fig. 6 is the cross-sectional view of another embodiment of expression rice transplanting mechanism;
Fig. 7 is the cross-sectional view of the elasticity of expression rice transplanting mechanism by last mechanism;
Fig. 8 is the cross-sectional view of the elasticity of expression rice transplanting mechanism by another embodiment of last mechanism;
Fig. 9 is the side direction cross-sectional view of the elasticity of expression rice transplanting mechanism by another embodiment of last mechanism.
Fig. 1 is the seedling-transplanting device that expression is installed in the rear portion of riding type rice transplanter.In this seedling-transplanting device, constitute frame part by on the main frame 1 of square tubulose, connecting seedling sending case 2 and several transmission cases 3.Seedling-transplanting device also has with certain stroke, makees back and forth horizontal seedling case platform 4, rice transplanting mechanism 5 and several ground connection floating drums 6 that moves relative to this framework.Rice transplanting mechanism 5 takes out rice shoot one strain one strain ground from the lower end of seedling case platform 4, and they are inserted the field.
Structure with regard to above-mentioned rice transplanting mechanism 5 describes earlier.The structure of this mechanism as shown in Figure 2, each transmission case 3 is cantilever-shaped and is connected on the main frame 1.The left and right sides, rear portion at each transmission case 3 is provided with rotary box 7, and rotary box 7 is turned round driving around the first transverse axis X.A pair of rice transplanting pawl supporting case 8 is being supported by pivot in two ends at this rotary box 7, and they can freely do relative gyration around the second transverse axis Y.On this rice transplanting pawl supporting case 8, be equipped with and take out the rice transplanting pawl 9(that rice shoot uses and see Fig. 4).The cylindric pivotal support portion 10 of rotary box 7 can be embedded on a fixed pivot axis 11 outward freely to rotate, and a fixed pivot axis 11 is mounted with respect to transmission case 3, position with being stationary state.A fixed pivot axis 11 is supported on the transmission case 3 by connecting elements 18 connections in the cylindric pivotal support in left and right sides portion 10,10 middle parts.And, by being configured in the driving chain 12 in the transmission case 3, transmission of power is given the sprocket wheel 13 that forms one with cylindric pivotal support portion 10 from seedling sending case two sides.So, make sprocket wheel 13 on certain direction, rotate driving.
As shown in Figure 5, to the power of each rotary box 7,7 of being positioned at transmission case 3 left and right sides, be to transmit by supplying with from horizontal power transmission shaft 14 power of seedling sending case 2 outputs, in the inside of transmission case 3.Power by power transmission shaft 14 transmits passes to (see figure 2) on the pair of right and left sprocket wheel 17,17 that is located on the jackshaft 16 by gear drive 15 branches again.Then, by pair of right and left driving chain 12,12, transmission of power is given in the cylindric pivotal support portion 10,10 of left rotation and right rotation case 7,7 from sprocket wheel 17,17.
In addition, alternative scheme as branch's drive mechanism, also available following structures replace Fig. 2 and shown in Figure 5 about the structure of a pair of driving-chain is set, promptly jackshaft is located near the cylindric pivotal support portion the position, give jackshaft from horizontal power transmission shaft 14 with transmission of power by a driving-chain, and then by a pair of gear mechanism, in the cylindric pivotal support portion about passing to from this jackshaft branch.
In addition, in mechanism shown in Figure 2, the pivotal support portion 25,25 of each pivot point side is made of different parts respectively.But, also can as shown in Figure 3 the pivotal support portion 25,25 of pivot point side be made of one.Like this, just can the part that each cylindrical component 28,28 among Fig. 2 is made same shape be constituted, can be reduced the quantity of part.In addition, among Shuo Ming Fig. 6, Fig. 7, Fig. 8, be the pivotal support portion that is construed as limiting mechanism 23,23 with single-piece below, cylindrical structural member 28 is made same member.
Drive the relative rotation between the rotary box 7 that produced and the rice transplanting pawl supporting case 8 along with the rotation of above-mentioned rotary box 7, see from the side, the leading section of rice transplanting pawl 9 just depict picture as shown in Figure 4, rice shoot taking-up track ovalisation, regulation roughly.That is to say, fulcrum 19 can be integral freely to rotate with rice transplanting pawl supporting case 8 be connected, each rice transplanting pawl supporting case 8 usefulness are pivotally connected on rotary box 7.And, on fulcrum 19, can be integral motion arm 20 is being set freely to rotate.The other end of this motion arm 20 is provided with pin 21.In addition, steady pin 22 be configured to it and fixed component 24 extends out from fixed component 24 with linking into an integrated entity.Fixed component 24 is that the end with a fixed pivot axis 11 links into an integrated entity.By the limiting mechanism 23 that can freely stretch, the side of pin 21 with steady pin 22(fixed pivot) with pivotally connected.
The axle center of steady pin 22 shown in Figure 2 is eccentric state configuration with the axle center X of a fixed pivot axis 11.But, be not limited to this a kind of form.
Below, limiting mechanism 23 is described.Limiting mechanism 23 has bar 26 and circle tube member 28.Bar 26 is and is embedded on the steady pin 22 outward, also can fuses with respect to the pivotal support portion 25 that steady pin 22 rotates freely.Circle tube member 28, be with the pin 21 that is embedded in motion arm 20 sides outward on, and can fuse with respect to the pivotal support portion 27 that pin 21 rotates freely.Circle tube member 28 is configured and can be free to slide extraterrestrial being embedded on the bar 26, and and bar 26 between mutually slippage.In addition, circle tube member 28 and cam follower (or tie-down members) 29 forms one, and fastens in the cam 30 of formed band circumferential slot on fixed component 24 and lead.
The shape of the cam 30 of the eccentric position of said fixing pin 22 and band circumferential slot is to determine as follows.
That is, as shown in Figure 4, obtain successively at the track of rice transplanting pawl 9 front ends and depict the straight line that the upper and lower pin 21 of stating each motion arm 20 sides of situation that takes out target rice shoot track is connected with the axle center; Determine the position of steady pin 22 by about centre of the intersection point aggregate of these straight lines.
With the steady pin of determining like this 22 accordingly, the shape set of the cam 30 of band circumferential slot is become can make the track of each rice transplanting pawl leading section depict target trajectory like that, cam follower 29 is guided at upwards continuous state of week.
Like this, along with the spinning movement of rotary box 7, limiting mechanism 23 just rotates in linkage around the axle center of steady pin 22.Meanwhile, cam follower 29 just along cam 30 sliding-contacts of band circumferential slot be directed to, stipulated the stroke of limiting mechanism 23 thus, can make rice transplanting pawl leading section depict target trajectory thereby the relative posture of rice transplanting pawl supporting case 8 is specified to.
Owing to determined the position of steady pin 22 as described above, therefore, the telescopic moving amount of cam follower 29 can be suppressed at Min., like this, just can stablize the posture of control rice transplanting pawl supporting case 8, situation about also generation can be rocked is suppressed to minimum degree simultaneously.
Inside at rice transplanting pawl supporting case 8 is provided with rice shoot pushing piece 31, it be the action of taking out of the rice shoot finished with rice transplanting pawl 9 synchronous, insert when being planted on the land for growing field crops at the rice shoot that rice transplanting pawl 9 is gripped, rice shoot pushing piece 31 is released action.This rice shoot pushing piece 31 is linked into an integrated entity by the connector 32 of the cross side that is erected at a pair of rice transplanting pawl supporting case 8,8, by the cam guide effect of camshaft 33,33, retires from office.Each camshaft 33,33 is done relative rotary motion with each rice transplanting supporting case 8,8 respectively.
In addition, as shown in Figure 6, also can make pivotal support pin 21 prolongations of aforesaid operations arm 20 sides outstanding, this prolongation is used as cam follower (or tie member) 29.
As shown in Figure 7, compression spring SP [elasticity is by one of last mechanism example] is housed at the carriage 26a that forms on the above-mentioned bar 26 with between the carriage 28a that forms on the circle tube member 28.Because the effect of the elastic force of this spring SP, the direction (radial outward side direction) that circle tube member 28 is pressed to leave steady pin 22.Therefore, above-mentioned each cam follower 29 is in one of the groove outer circumferential side spigot surface 30a[guide cam face side with the cam 30 of band circumferential slot] state of crimping, can reduce because the error in the processing produces the influence ground that rocks carries out sliding-contact and lead.
As shown in Figure 8, above-mentioned evolutionary approach also can be contained in above-mentioned spring SP in the circle tube member 28.In this case, the effect of spring SP is pressed to the direction (radial outward side direction) of leaving steady pin 22 to circle tube member 28 also with above-mentioned the same, so can obtain and above-mentioned same effect.
In addition, leaning in the mechanism in above-mentioned elasticity, is to the state of direction outwardly radially circle tube member 28 bullets.In contrast, also can adopt such structure, promptly circle tube member 28 bullets to direction inwardly radially.In this case, cam follower 29 is crimped in the groove of cam 30 of above-mentioned band circumferential slot on all side spigot surface 30b.
In the cam 30 of above-mentioned band circumferential slot, also can adopt structure as shown in Figure 9, promptly take out on the position of rice shoots from seedling case platform 4 and the place of the position that is equivalent to plant toward the land for growing field crops at rice transplanting pawl 9, set up the elastomer E of rubber and so on.This elastomer E flexibly is pressed to the width inboard of groove with cam follower 29, prevents to produce to rock phenomenon, makes the quantity of taking out rice shoot stable, also can make simultaneously and plant stable posture.
Claims (5)
1, a kind of seedling-transplanting device, it has rice transplanting transmission case (3), rotary box (7), rice transplanting pawl supporting case (8) and rice transplanting pawl mechanisms such as (9), rice transplanting transmission case (3) can support rotary box (7) round first transverse axis (X) with doing relative gyration, and rotary box (7) can support rice transplanting pawl supporting case (8) round second (Y) with freely doing relative gyration, simultaneously, driving the rotary box (7) and the relative rotary motion between the rice transplanting pawl supporting case (8) that are produced by the rotation along with rotary box (7) can make the leading section of rice transplanting pawl (9) depict the track of the taking-up rice shoot of regulation
It is characterized in that: by limiting mechanism (23), around second transverse axis (Y), be integral rotating motion arm (20), carry out pivotally connectedly, this limiting mechanism energy on the rectilinear direction that each tie point of said fixing fulcrum (22) and motion arm (20) is connected freely be stretched with the fixed pivot (22) of relative rice transplanting transmission case (3), fixed-site with rice transplanting pawl supporting case (8).
2, seedling-transplanting device as claimed in claim 1 is characterized in that the axle center of said fixing fulcrum (22) and first above-mentioned (X) are eccentric the configurations.
3, seedling-transplanting device as claimed in claim 2 is characterized in that above-mentioned limiting mechanism (23) is made of bar member (26) and cylinder element (28), and above-mentioned bar member (26) is contact slidably in cylinder element (28).
4, seedling-transplanting device as claimed in claim 3, it is characterized in that on above-mentioned limiting mechanism, being provided with tie-down members (29), in addition, go up formation guide cam face (30a) at fixed component (24), tie-down members (29) leads on guide cam face (30a) slidably, along with the rotation of rotary box (7), make above-mentioned rice transplanting pawl supporting case (8) can do relative gyration.
5, seedling-transplanting device as claimed in claim 4 is characterized in that having tie-down members (29) is pushed to the elasticity of guide cam face (30a) by last mechanism (SP).
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP297719/93 | 1993-11-29 | ||
| JP5297719A JPH07147812A (en) | 1993-11-29 | 1993-11-29 | Seedling transplanter |
| JP299206/93 | 1993-11-30 | ||
| JP299205/93 | 1993-11-30 | ||
| JP5299208A JPH07147816A (en) | 1993-11-30 | 1993-11-30 | Seedling transplanter |
| JP299208/93 | 1993-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1109705A true CN1109705A (en) | 1995-10-11 |
Family
ID=26561207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94118861A Pending CN1109705A (en) | 1993-11-29 | 1994-11-29 | Rice transplanter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1109705A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109220108A (en) * | 2018-11-14 | 2019-01-18 | 徐金金 | A kind of modernization boat form Rice Cropping agricultural machinery |
-
1994
- 1994-11-29 CN CN94118861A patent/CN1109705A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109220108A (en) * | 2018-11-14 | 2019-01-18 | 徐金金 | A kind of modernization boat form Rice Cropping agricultural machinery |
| CN109220108B (en) * | 2018-11-14 | 2022-01-14 | 徐金金 | Modernized boat-type rice planting agricultural machine |
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