JPH01304810A - Seedling planting unit - Google Patents

Abstract

PURPOSE:To provide the title unit so designed that a metal fixed on a cylindrical shaft integrated with a planet gear is put to combined use as a lid on the detaching side of an actuation cam, thereby making a planting case main body easy to be detached and facilitating the disintegration and assembly of the actuation cam. CONSTITUTION:A seedling planting machine 34 is made up of a planting case main body 35, a seedling-extruding actuation cam 36, etc., and the planting case main body 35, which is fixed on a metal 60 fitted on the outer periphery of a cylindrical shaft 31a integrated with a planet gear 31 and fixed with a cotter pin 40 in such a manner as to be movable towards the shaft center of a boss, is provided so as to be integrally rotating with the shaft 31a. And said metal 60 is inserted, through a fitting part 60a, into the planting case main body 35 and firmly fixed on said main body 35 through a flange part 60b.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to a 1'/j planting device of a transplanter in which a seedling planting tool is attached to a rotating case.

Prior Art Conventionally, seedling planting devices of high-speed transplanters with a seedling planting tool attached to a co-rotating case have been disclosed in Japanese Utility Model Publication No. 47-28103, Japanese Utility Model Publication No. 47-28104, Japanese Utility Model Publication No. 47-28106, and Japanese Utility Model Publication No. 47-28106. Publication No. 49-26115, Publication No. 56-21
212 Publication, Special Publication No. 47-2527, Special Publication No. 4
Publication No. 7-33891, Japanese Patent Publication No. 48-6848,
Special Publication No. 49-17806, Special Publication No. 49-1780
Publication No. 7, Special Publication No. 49-17808, Special Publication No. 17808, Special Publication No. 1978
This is a well-known technique as disclosed in Japanese Patent Publication No. 31773 and Japanese Patent Publication No. 49-35528.

However, these seedling planting devices open and close the transplanting claws to transplant the seedlings while holding them, and the cam for opening and closing is attached to a shaft that is driven and rotated by a transmission mechanism inside the rotating case. However, with the exception of models in which the cam is exposed outside the planting case, the lid of the planting case can be used as is in the planting case itself. As a mounting member, there was no structure in which the cam could be taken out from the lid side.

Problems to be Solved by the Invention In the prior art invention, the mounting of the cam inside the planting case body,
It had to be removed and reattached. In other words, the cam needs to be protected from soil and muddy water in the field, so it needs to be housed inside the planting case body, but the cam cannot be removed from the planting case body for assembly, disassembly, or adjustment. I need to make it easier.

With conventional technology, this was difficult.

Technical Means for Solving the Problems The present invention has taken the following technical means to solve the problems of the prior art described above.

That is, it is integrally attached to the rotating case 22, and the 10
A camshaft 32 that crosses the inside of the single-turn case 22 and protrudes outward.
The camshaft 32 inside the rotating case 22 is loosely fitted and transmitted! 4! A cylindrical shaft 31a that is integral with the planetary gear 31 that is rotated and protrudes outward from the rotating case 22 in the same direction as the camshaft 32 is provided, and the planting case body side is attached to the cylindrical shaft 31a, and the cam +'T planting is provided in the planting case body on the shaft 32, and the operating cam 36 of the extrusion device is attached to the seedling planting'! At position A, the metal 60 fixed to the cylindrical shaft 31a is fixed to the planting case main body 35, and the outer end of the metal 60 is inserted into the planting case main body, thereby substantially removing the operating cam 36. It also serves as the side lid. ! , T-planting device.

Functions and Effects of the Invention According to the present invention, the one-rotation case 22 has an operating cam 36 on the camshaft 32 that rotates integrally with the same rotation case, and the cylindrical shaft 31a that is fitted to the camshaft and is rotated by UJ. When attaching the planting case body 35, the metal 35a, which is integrally attached to the cylinder shaft, serves as a lid on the extraction side of the cam 36 and can be removed and separated from the planting case 35 body. The planting case body 35 can be removed by leaving the side on the rotating case 22 side as it is, and the nine parts 36 inside the planting case body can be easily disassembled.
It has the effect of being easy to assemble.

Embodiment An embodiment of the present invention will be explained based on FIGS. 1 to 5.

1 is a passenger towing vehicle, 2 is a pair of left and right front wheels, 3 is a pair of left and right rear wheels, 4 is an engine, 5 is a control seat, and 6 is a control handle. 7 is the control frame.

Reference numeral 8 denotes a main transmission case, in which power is transmitted from the engine 4 to an internal transmission, and the power is transmitted to the front wheels 2 and rear wheels 3 via a drive shaft 9.10, and via a PTO shaft 11 and a transmission shaft 12, which will be described later. It is provided so that power is transmitted to the rice transplanter 13 section.

Reference numeral 14 denotes a planting clutch lever, by which a main seedling planting clutch, which will be described later, is operated by one person.

Reference numeral 15 denotes an elevating link mechanism, which is moved up and down by a hydraulic cylinder device 16 to move the hitch 17 up and down.

Reference numeral 18 denotes a planting transmission case, which is attached to the hitch 17.

Reference numeral 19 denotes a seedling mounting table, which is tilted and supported so that the front side is on the ``-'' side of the planting transmission case 18, and is provided so as to be moved left and right by the left and right reciprocating lateral movement device inside the planting transmission case 18. It is being This seedling mounting table 19 is divided into a predetermined width by partitions 20, 20, etc. in the left and right directions, and a plurality of seedling placing tables 19a, 19b, 19c.
, 19d, and 19e.

Reference numeral 21 denotes a seedling receiving plate, which is provided in a substantially upper-shape shape when viewed from the side, and extends horizontally along the lower end side of the seedling mounting table 19. Division openings 21a, 21b, 21c, 21d, 21e that can divide seedlings 19e
is provided.

22a, 22b, 22c, 22d, and 22e are rotating cases, and vertical transmission cases 18a, 18 protrude rearward and branch from the planting transmission case 18 at a predetermined interval in the left-right direction.
At the rear end sides of b and 18c, the front and rear intermediate centers thereof are attached to a planting drive shaft 23 so as to be rotated integrally with a key 23a.

24 is the gear wedged to the planting 11 m + shaft 23;
25 and 26 are counter gears, and 27 is a human gear block.

28 is a bearing metal, and vertical transmission cases 18a, 18b, L
The planting drive shaft 23 is fixed to the outer side of the shaft 8c through a bearing, and the outer end hole 28a through which the shaft 23 is inserted is made eccentric with respect to the axis of the shaft 23.

29 is a sun gear, which has a hole 28a in the bearing metal 28.
The sun gear 29 is provided integrally with a boss portion 29a which is inserted into and is prevented from rotating, and this sun gear 29 is a gear that is not circular with respect to the 4i11i center of the 4-7 planting drive shaft 23.

30.30 is a counter planetary gear, which is rotatably supported in the rotating cases 22a to 22e, and i
It is always engaged with the sun gear 29 described in ij.

Reference numeral 31 denotes a planetary gear, which is located on the tip side inside the rotating cases 22a to 22e, and is connected to the counter planetary gear 30.3.
It is aligned with 0. And, in this planetary gear 31,
A cylindrical shaft 31a is provided integrally with this, and one end of the cylindrical shaft 31a protrudes outward from the rotating case, so that the shaft can be inserted into the cylindrical shaft 31a.

A camshaft 32 is inserted into the cylindrical shaft 31a and traverses the inside of the rotating case 22, and one end of the camshaft is connected to the rotating case 22a.
22e fixed to the outer wall surface of the planting transmission case side +
It is fixed to the h-metal plate 33, and the other end protrudes outward beyond the cylinder shaft 31a.

34 is a seedling planting tool, which includes a planting case main body 35, a seedling push-out operation cam 36. It is made up of an interlocking rod 37, an extrusion shaft 38, an image separation claw 39, and the like. And, this planting case main body 35 is
This cylinder shaft 31a is fixed with a bolt to a metal 60 which is fitted to the outer circumference of the cylinder shaft 31a which is integral with the planetary gear 31 and can be fixed by being moved slightly in the axial direction of the boss using a star pin 40. It is provided so that it can be rotated integrally with the

This metal 60 has a fitting part 60a that is thrust into the planting case main body 35 and a flange part 60b that integrally fixes the planting case main body 35, and this flange part 60
b and the planting case main body 35 are fixed with bolts 61.

The seedling push-out operation cam 36 is provided so that the tip of the cam shaft 32 is formed into a square shaft and is fitted thereto so as to rotate integrally with the cam shaft 32.

The interlocking rod 37 is rotatably received in the planting case 35 by a pin 41 at the front and rear intermediate portions, the base side is provided so as to come into contact with the outer periphery of the cam 36, and the tip side is formed into a fork shape.

Note that the pin 41 is attached to the flange portion 60 of the metal 60.
b The inner surface is designed to prevent it from coming off.

Reference numeral 38 denotes an extrusion shaft, which is supported on the tip side of the planting case 35 so as to be able to slide downward, and its lower end protrudes outside the case.This lower end is formed into the tvj extrusion piece 38a, and Cut the outer periphery of the end part into an oval shape and place it here ^1
The distal fork portion of the interlocking rod 37 is engaged. 42
It is a spring.

The segment separation claw 39 is an n-shaped claw when viewed from the front, and is detachably attached to the tip of the planting case 35.

” - As described, the seedling planting tool 34 is equipped with rotating cases 22a to 22e.
Two of the plants are attached to each of the plants and are rotated once, so that they are operated while drawing a long planting trajectory (a) in the vertical direction when viewed from the side. Two seedling planting tools 34 provided in a single rotating case are made into one group, and the same side is made up of seedling planting tool groups A, B, C6D, and E.

Reference numeral 43 denotes a drive shaft, which is installed horizontally IIJ1 so as to be transmitted and rotated within the planting transmission case 18, and a 1Si
2 obscene j sprocket 44.44.44. is fixedly attached, and the human power sprockets 27, 27... are rotated through a chain to transmit power to the planting drive shaft 23 side.

45 is a main seedling planting clutch, and a driving clutch gear 46 with a clutch pawl that is transmitted and rotated from the prime mover side is connected to the lψ driving shaft 4.
A driven clutch body 47 with a clutch pawl and a fixed position stop cam 47a is movably attached to the drive shaft 43 in a wedged state to the drive clutch gear 46. - 46 side eight-shot engagement storm, the clutch pin 49 is slidably provided on the planting transmission case 18, and the clutch pin 49 is provided with an AF function to engage and disengage from the fixed position bringing out cam 47a, and the pin 49 is attached to the cam surface ( When brought into contact with (b), the driven clutch body 47 receives a rotational force and resists the spring 48, and the clutch pawl is disengaged, thereby stopping the rotation of the drive shaft 43. In the illustrated example, the number of fixed position stop cams 47a is equal to the number of seedling planting tools 3 which are divided into two on the outer peripheral surface of the rotation and are attached to one of the rotation cases 22a, 22b, . . .
It consists of two pieces, which is the number 4.

It goes without saying that if three seedling planting tools 34 are provided in the rotating case 22, the number of fixed position stop hiccups 47a will be three.

5o is a clutch wire, which is connected to the planted clutch lever 1.
4 and the clutch pin 49.

In the illustrated example, the main planting clutch 45 is connected to the planting transmission case 1.
Although the PTO shaft 11 is provided in the main transmission case 8, it is of course possible to have a configuration in which the rotation of the PTO shaft 11 that transmits power to the rice transplanter 13 is stopped at a fixed position.

In the figure, reference numeral 51 denotes leveling floats 1-152 at the center, which are leveling floats on both the left and right sides.

” To explain the function of the two sides, each seedling mounting table 19a to 19e
When the seedlings are placed on the rice transplanter and each part is rotated by the engine 4, the passenger tractor 1 is propelled by the rotation of the front wheels 2 and rear wheels 3, and the rice transplanter 13 part receives the load partly by the soil leveling floats 51 and 52. The power is transmitted from the main transmission case 8 side to the planting transmission case 18 via the transmission shaft 12 from the PTO shaft 11.
Power is transmitted to the internal human power shaft. And the main planting clutch 45
The 1ψ driving shaft 43 is transmitted and rotated through the
From there, the planting lψ drive shaft 3.23... is rotated via a sprocket, chino, etc. Then, each rotating case 2
2a to 22e rotate, and with this rotation, the sun gear 29
The counter planetary gear 30.30 is rotated planetarily around the counter planetary gear 30.30, and the planetary gear 31.31 meshing therewith is rotated. Therefore, the fixed planting case main body 35 is rotated with respect to the co-rotating cases 22a to 22e via the metal 60 fixed to the cylindrical shaft 31a integral with the planetary gear 31=31 by the knot turbine 4o. Rotating case 22a
Since the camshaft 32.32 that is integral with ~22e is not rotated by the gear 31, the planting case body 35 is rotated by the eccentric pitch circle of the sun gear 29 with respect to the push-out operation cam 36 that is properly attached to the camshaft 32. Therefore, it is rotated while the peripheral speed fluctuates. Therefore, interlocking rod 3
7 is swung by the cam 36, and the extrusion shaft 38 is moved -1- downward.

Then, the partitioning claw 3 attached to the planting case body 35
The tip side of the seedling tray 9 operates drawing a planting trajectory (a), and successively intervenes from above into the seedling dividing openings 21a to 21e of the seedling receiving plate 21, and reciprocates from side to side. Seedlings are divided into individual plants and planted on a field leveled by leveling floats 51 and 52. That is, when the seedling extrusion shaft 38 is located on one side with respect to the planting case 35, the direct loading 11
When the seedlings are separated from the stand and placed in the field, the cam 36
A part of the cam floor of the interlocking rod 37 comes off, and the spring 42 rapidly pushes the seedling into the soil.

In this embodiment, since two seedling planting tools 34 are attached to the one-turn case 35, seedling planting can be performed at high speed.

When the next time you want to stop planting seedlings, such as when turning, operate the planting clutch lever 14 to release the wire 50.
Push the clutch pin 49 through the driven clutch body 4
It is only necessary to contact the cam surface (b) of the localization first position stop cam 47a of No.7. Then, the driven clutch body 47 moves against the spring 48 and moves from the clutch pawl of the drive clutch gear 46 to the driven clutch body 47 . The clutch pawl of the I-J clutch body 47 is disengaged, and the rotation of the drive IPIJ shaft 43 is stopped at that position.

At this time, the fixed position stop cam 47a is connected to one rotating case 3.
Since the number of seedling planting tools 34 corresponding to the number of seedling planting tools 34 attached to the seedling planting tools 5 is provided, when the planting clutch lever 14 is operated to the stop side, the seedling planting tools 34 are always stopped immediately.
Despite the fact that two seedling planting tools 34 are attached to one rotating case 35, 16 seconds have passed since the stop operation was applied.
An unexpected situation such as the planting tool 34 dividing the seedlings from the seedling mounting table and planting them does not occur.

The embodiment of transmission formation shown in FIG.
Planting drive shaft 2 installed at the rear end of a, 18b, 18c
3 is divided into left and right to form 23a and 23b, and these planting drive shafts 23a and 23b are connected by an intermediate pin shaft that is inserted through the axis of the planting drive shaft and can rotate freely, and to this, the same planting drive shafts are attached to the left and right. A clutch sprocket 53 having a single clutch pawl is provided on the phase.

The above-mentioned main clutch 4 is attached to the planting drive shafts 23a and 23b on both the left and right sides of this clutch sprocket 53.
Bacteria-inoculated clutches 56 and 56 are constructed by providing driven clutch bodies 54 and 55 having the same configuration as those of 5.

57a and 57b are sub-planting clutch pins.

And these sub-planting clutch pins 57a, 57b...
The wires 59 are connected to the five ridge clutch levers 58a, 28b, .
．． 59..., and this fixed position stop H type secondary 1/i planting clutch 56.56 is turned on and off.
It is set up so that it can be turned off. Furthermore, fixed position stop cams 54a, 54a are provided on the driven clutch bodies 54 and 55 of this secondary planting clutch 56.

Two 55a and 55a are provided in the same manner as the Mij microorganism inoculation clutch 45. To explain the effects of this configuration, generally when planting ridges,
When planting all the planting rows, if the rice transplanter eats away from one field or there is some unplanted rice, stop planting some rows before the final planting and there will be no unplanted rice. Operate as follows.

That is, among the ridge clutch levers 58a, 58b..., some 111 from the ridge edge! i Operate the appropriate ridge clutch lever to lower the planting row one time, and push in the sub-planting clutch pins 57a, 57b, . . . Then, in the same manner as the main planting clutch 45 described above, the bacteria planting clutch 56 is turned off at the fixed position, and the rotation case 22a of the seedling planting tool 34 is turned off.

22b... is stopped, and planting can be stopped +1-.

At this time, the bacteria planting clutch 56 is also fitted with a fixed position stop position on the rotating case in the same way as the -L^1 planting clutch 45 1! Since the same number of planting tools 34 as I'1 are provided, the rotation of the Y17 planting tools 34 is stopped almost at the same time as the disengagement of the bacterial planting clutch 56. This prevents an unexpected situation where the seedlings are later divided and planted from the seedling table.

As explained above, the +/i inlet is placed in the rotating case 22.
As a means for attaching the l tool 34, there is a cylinder on the rotating case 22 side of the planting case main body 35 that incorporates the seedling extrusion operating force 1136 provided in the planting case main body 35, which rotates integrally with the planetary gear 31 inside the rotating case 22. It is attached via a metal 60 fixed to the shaft 31a, and the planting case main body 35 side can be attached and detached while this metal 60 side is fixed to the rotating case 22 side, so the operating cam 73 inside the planting case main body 35
6 can be easily assembled or disassembled.

[Brief explanation of the drawing]

The figures show one embodiment of the present invention, in which Fig. 1 is a side view, Fig. 2 is a plan view of the main part, Fig. 3 is a simplified perspective view of the transmission mechanism, and Fig. 4 is the main part. Fig. 5 is a plan sectional view of the main part, Fig. 6 is a partially broken -rp plane view of the main part, and Fig. 7 is a side sectional view of the main part. l! FIG. 3 is a simplified perspective view of the IJ mechanism. Symbols in the figure: 22 is a rotating case, 31 is a planetary gear, 31
a is the cylinder shaft; 32 is the camshaft; 35 is the planting case body; 3
6 is made by 1! I+cam, 60 indicates metal.

Claims (1)

[Claims] A camshaft 32 that is integrally attached to the rotating case 22 and protrudes outward across the inside of the rotating case 22, and a planetary gear 31 that is loosely fitted onto the camshaft 32 inside the rotating case 22 and rotated by transmission. A cylindrical shaft 31a that is integral with the camshaft 32 and protrudes outward from the rotating case 22 in the same direction as the camshaft 32 is provided. In the seedling planting device in which the operating cam 36 of the seedling planting pushing device installed in the seedling planting device is attached,
A metal 60 fixed to the cylindrical shaft 31a is fixed to the planting case main body 35, and the outer end side of the metal 60 is inserted into the planting case main body, so that the operating cam 36 is substantially
Seedling planting device that doubles as the lid on the removal side.