JPH01304813A - Seedling planting unit - Google Patents

Abstract

PURPOSE:To provide the title unit so designed that a sun gear is detachably inserted into the fitting hole of a rotary case fitted with a metal holding the sun gear so as to stop its rotation, thereby enabling the sun gear to be easily taken out without the need for dividing the rotary case. CONSTITUTION:A bearing metal 28 is attached on the outer side of a longitudinal transmission case 18a to bear a planting driving shaft 23, and an outer end hole part 28a through which the shaft 23 is inserted is made eccentric against the shaft center of said shaft 23. A boss 29a inserted into the hole 28a and subjected to stopping its rotation is integrally equipped with a sun gear 29, and the outer diameter of this sun gear is made smaller than the fitting hole of a rotary case 35 for inserting the bearing metal 28 into said rotary case 35 side, thereby facilitating the loading and unloading of the sun gear 29.

Description

[Detailed Description of the Invention] Industrial Application Field This invention relates to a seedling planting device for a transplanter equipped with a helmet planting tool in a one-turn case. There was a rice transplanter's seedling planting device as described in .

Problems to be Solved by the Invention In the prior art, it was extremely difficult to assemble and disassemble the sun gear incorporated into the rotating case.

In other words, the hole on the rotary case side into which the rotary drive shaft fits is smaller in diameter than the outside diameter of the sun gear, making it extremely difficult to remove the sun gear from the rotary case, and the single-rotation case must be separated into left and right parts. The structure was such that it could not be assembled or disassembled without doing so.

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, the planting drive shaft 23 is fixed to the outer wall surface of the planting transmission case 18 (11f) around the protrusion of the planting drive shaft 11 (11f) which protrudes to the outside of the planting transmission case 18.
A metal 28 is provided to cover the base side of the rotating outer circumference.

The rotation case 22 is attached to the tip of the planting drive shaft 23 in a skewered state so that it rotates integrally with the planting drive shaft 23, and the rotation case 22 is fitted onto the planting 1ψ drive shaft 23 and rotates around the metal 28. A sun gear 29 that is fixed and held is provided, and this sun gear 29 is inserted into the rotating case 22 and configured to be freely insertable and detachable from the fitting hole 28b of the metal 28. A sealing member 62 is provided between the outer periphery of the inside and the inner wall of the metal insertion portion of the rotating case 22, and a seedling planting tool 34 is provided on the outer side of the rotating case 22 via the sun gear 29 and the planetary gear 30°31.
This is a seedling planting device that operates.

Effects and Effects of the Invention According to this invention, the planting drive shaft 23 is installed in the rotating case 22.
The sun gear 29 provided on the outer periphery of the rotating case can be made small, and the sun gear 29 can be easily taken out from the metal insertion hole 28b without dividing the rotating case, making assembly and disassembly extremely easy.

Embodiment - An embodiment of the present invention will be described 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 axles, 4 is an engine, 5 is a control seat, and 6 is a control handle. 7 is a steering operation frame, 8 is a transmission case, and the power is transmitted from the engine 4 to the internal transmission, and from there the power is transmitted to the front wheels 2 and rear 11Q3 via the drive shaft 9, 10, and the P1, 0 shaft 11 and It is provided so that power is transmitted to a portion of a rice transplanter 13, which will be described later, via a transmission shaft 12.

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

15 is a lifting link mechanism, and a hydraulic cylinder device 16.
] It is rotated to move the hitch 17 up and down.

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

19 is a seedling mounting table, ^? 1. It is tilted and supported on the upper side of the planting transmission case 18 so that the front side is on one side, and is provided so as to be moved left and right by the reciprocating and lateral movement device t inside the planting transmission case 18. The 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. 2.1 is a seedling receiving plate, which is provided in a substantially L-shape when viewed from the side, and extends horizontally long along the lower end side of the seedling mounting table 19. This is provided with seedling dividing openings 21a, 21b, 21c, 21d, 2 through which the seedlings on each seedling mounting table 19a to 19e can be divided.
1e is provided.

22a, 22b, 22c, 22d, and 22e are co-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 a gear wedged on the planting drive shaft 23.

25.2G is the counter gear, and 27 is the human gear block.

28 is a bearing metal, and vertical transmission cases 18a, 18b, 1
Is it attached to the outside part of 8c and is IN? 1. Planting The movable drive shaft 23 is supported via a ring, 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 has a pitch circle that is a perfect circle with respect to the axis of the planting drive shaft 23. It's in a gear that doesn't work. The fitting hole 28b through which the metal 28 is inserted into the rotating case side is made larger than the outer diameter of the sun gear 29 to enable the sun gear 29 to be inserted and removed. A seal member 62 is interposed between them.

30. 30 is a counter planetary gear, which is rotatably supported in the rotating cases 22a to 22e, and M?
It is always engaged with the f sun gear 29.

31 is the planet gear 7-, and the rotating case 22a~
220, and meshes with the counter planetary gear 30.30. And this planetary gear 3
1 is provided with a cylindrical shaft 31a that is integral with the cylindrical shaft 31a, one end of which protrudes outward from the rotating case.
It is configured so that the shaft can be inserted inside.

32 is a camshaft, which is inserted into the cylindrical shaft f] and traverses the inside of the rotating case 22, and one end of which is fixed to the outer wall surface of the planting transmission case side of the first cases 22a to 22e. It is fixed to the turning plate 33, and the other end protrudes outward from the writing cylinder 1Iill 31a.

34 is the ξ゛)゛i planting tool, and the planting case body 351, 4
1i extrusion operation cam 336, chain AQ + rod 37, extrusion shaft 3
38 and a separation claw 39, etc. The planting case main body 35 is fitted onto the outer circumference of the cylindrical shaft 31a that is integral with the planetary gear 31, and
This tube is fixed with a bolt to a metal 60 that can be moved slightly in the axial direction of the boss and fixed. 1i
It is provided so as to be rotated together with the II 31a.

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

The 1.1.degree. i push-out actuating cam 36 is provided so that the tip of the camshaft 32 is formed into a square shaft and is fitted onto the square shaft so as to rotate together with the camshaft 32.

The series +lQ+ rod 37 has a bin 41 at its front and rear intermediate portions and is rotatably received by the planting case 35, 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. . Incidentally, the bottle 41 is adapted to be removed from the inner surface of the flange portion 60b of the metal 60.

38 is an extrusion shaft, on the tip side of the planting case 35! - It is supported by a bearing so that it can slide downward, and its lower end protrudes outside the case. This lower end is formed into a II'i extruded piece 38a, and -1 one end side is partially oval-shaped in its outer periphery. After cutting, the tip fork portion of the interlocking rod 37 (1) is engaged here. 42 is a spring.

The W 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.

1- As described, the seedling planting tool 34 is provided in the rotating cases 22a to 22e.
Two plants are attached to each of the plants and are rotated so that when viewed from the side, the plants are planted so as to draw a long planting trajectory (a) in the direction of the road. The two l, li planting tools 34 provided in a single rotating case are treated as one group', A, 13. C.

It is made up of D and E seedling planting tool groups.

Reference numeral 43 denotes a drive shaft, and a transmission shaft 4 is installed in the planting transmission case 18.
The construction is extended in the horizontal direction so as to be rotated, and the vertical rotation l
lψ at the base of cases 18a, 18b, and 18c
Sen sprocket 44.44. /14. is fixedly attached, and the manual sprockets 27, 27, .

45 is a planted clutch with a clutch pawl that is rotated by transmission from the prime mover side. The lU+ clutch gear 46 is freely attached to the drive shaft 43 for simultaneous rotation, and this lψ!
1sj Clutch gear 46 with clutch pawl and fixed position stop cam 47a driven by clutch 41 + clutch body 47
The clutch pin 49, which is slidably provided in the planting case 18, is engaged with the fixed position stop cam 47a. Removable configuration and no bottle 49
When it comes into contact with the cam surface (b).

The driven clutch body 47 receives the rotational force and resists the spring 48.
The clutch pawl is released and the rotation of the drive shaft 43 is stopped. In the case of the same side, the number of fixed position stop cams 47a is equal to the number of seedling planting tools 34 that are divided into two on the outer peripheral surface of the rotation and are attached to one of the rotation cases 22a, 22b, . . . It is made up of individuals.

It goes without saying that if three I-gastric implants 34 are provided in the rotating case 22, the number of fixed position stop cams 47a will be three.

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

In addition, when rotating, the main planting clutch 45 is connected to the planting transmission case 1.
Although this is provided in the main transmission case 8, it is of course possible to have a configuration in which the PTO shaft 11, which transmits power to the rice transplanter 13 side, is stopped from rotating at a fixed position.

In the figure, 51 is a ground leveling float in the center, and 52 is a leveling float on both left and right sides.

” - To explain the function of the example, each seedling mounting table 19a to 19e
When 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 axle 3, and the rice transplanter 13 part receives some of its load by the soil leveling floats 51 and 52. The power is transmitted from the PTO shaft 11 through the J shaft 12 to the planting transmission case 1 from the main transmission case 8 side.
The power is transmitted to the human power shaft in 8. And the main planting clutch 4
The drive #43 is transmitted and rotated through the drive shaft 43.
From there, the planting drive shaft 23 is connected via a sprocket, chino, etc.
．． 23... is rotated. Then, each rotating case 22
a to 22e rotate, and with this rotation, the counter planetary gear 30.30 is planetarily rotated around the sun gear 29, and the planetary gear 31.31 that meshes with this is rotated at the same time. Therefore, the planting case main body 35 that is properly attached via the metal 60 attached one by one to the cylindrical shaft 31a integrated with the 3Fi star gear 31.31 rotates synchronously with respect to the rotating cases 22a to 22e. and the rotating case 2
Since the camshafts 32 and 32 that are integral with 2a to 22e are not rotated by the gear 31, this camshaft 32.
The planting case body 3
5 is rotated while the circumferential speed fluctuates due to the eccentric pitch circle of the sun gear 29. Therefore, the link d1 rod 37 is swung by the cam 36, and the extrusion shaft 38 is 1]
It will move downward.

Then, it was attached to the planting case main body 35. 'I'i
The tip side of the separation claw 39 operates while drawing a planting trajectory (a),
1-° 1 minute division of Ivi Uke+1Z board 21” 21a to 21
"To e" - intervene one after another and reciprocate from side to side! 'i
A The bacteria in the placement tables 19a to 19e are divided into individual plants and planted on the leveled field using the leveling floats 51 and 52. In other words, the seedling extrusion shaft 38 is set at -1 with respect to the planting case 35.
When placed on one side, divide the seedlings from the first stand,
When it plunged into the field, the force caused the cam 36 and a part of the cam floor of the interlocking rod 37 to come off, and the spring 42 caused it to rapidly move! ,? It is designed to push the earth into the ground.

In this embodiment, the rotating case 35 has two 1!
Since the 1'1 planting tool 34 is attached, seedlings can be planted at high speed.

When turning, etc., when stopping i′i planting in -2, operate the planting clutch lever 14 to stop the wire 5
0, the clutch pin 49 may be pushed in and brought into contact with the cam surface (b) of the fixed position stop cam 47a of the driven clutch body 47. Then, the driven clutch body 47 moves against the spring 48, and the clutch pawl of the driven clutch body 47 is disengaged from the clutch pawl of the 1ψ clutch gear 46, and the rotation of the 1ψ4-1 shaft 43 is stopped at that position l-, do.

At this time, the fixed position stop I-cam 47a was attached to one rotating case 35. 1IIIi Since the number corresponding to the number of planting tools 34 is provided, the planting clutch lever 1
4 to the stop side, the seedling planting tool 34 is always stopped immediately, even if two seedling planting tools 34 are attached to one rotating case 35. An unforeseen situation in which the seedling planting tool 34 divides 1.1°i from the seedling mounting table and plants the seedlings after the seedling is applied does not occur.

The embodiment of the transmission configuration shown in FIG.
l! 11 shaft 23 is divided into left and right to form 23a and 23b, and these planting drive shafts 23a and 23b are connected with an intermediate pin shaft that is inserted into the axis of the planting glue al shaft and is rotatable, and to this, Clutch block with the same phase I and instep on the left and right, -〇) clutch pawl! -53 is provided.

Then, on the planting drive shafts 23a and 23b on both the left and right sides of the clutch block 1-53, clutch bodies 54 and 55, which have the same structure as the seedling planting clutch 45 described above, are provided to carry out bacterial planting. It constitutes a clutch 56.56.

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

And these sub-planting clutch bins 57a, 57b...
are connected to the five ridge clutch levers 58a, 28b, . . . provided on one back side of the I front rack stand 19 by wires 59, 59, . Type vice i! , li planting clutch 56.56 is provided so that it can be turned off by one person. Furthermore, this sub-l:
i Orientation irt stop 1-cam 54a, 54a provided in the driven clutch 54-55 of the planting clutch 56.

Two 55a and 55a are provided in the same way as the planting clutch 45 in 1.ii +'+'i. To explain the effect of this configuration, in general, when planting ridge rows, when planting all planting rows, from the field [[(
If the planting machine starts to bite or there are some unplanted plants, stop planting some rows before the final planting about 1° and crop ↑・■ so that there are no unplanted plants.

That is, among the ridge clutch levers 58a, 58b..., some of the +Ili planting rows from the ridge clutch levers 58a, 58b...
Mel\ku appropriate 1lI1. Operate the ridge clutch lever and push in the sub-planting clutch bins 57a, 57b... Then, in the same way as the operation of the L planting clutch 45 described in ``net'', the sub-1 planting clutch 56 is turned off at the fixed position.
The I'-1 planting tool; 34 rotation case 22a
.

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

At this time, the antibacterial inoculation clutch 56 is also provided with the same number of fixed position stop positions as the bacterium inoculation clutch 45 and the same number of seedling planting tools 34 attached to the rotating case.
1'1 almost at the same time as the disengagement of the antibacterial planting clutch 56.
``f Planting tool; 34's simultaneous rotation is stopped F, and after the stop operation 1', do not cause an unfortunate situation such as dividing the bacteria from the T mounting table and planting it. .

As described below, in this invention, in order to make the sun gear 29 integral so as not to rotate toward the planting transmission case 18 side, the planting drive @ 23 is covered from the outer periphery on the planting transmission case 18 side. The sun gear 29, which is directly inserted into the lψ moving shaft 23 with 11 plants planted in f, is attached to the tip side of the metal 28 in a non-rotating state, so the sun gear 29 can be made smaller. Yes, rotating case 22
It is possible to make the fitting hole 28b of the metal 28 inserted into the inside smaller and to take the sun gear 29 out of the rotating case. The inside of 22 can be made airtight.

[Brief explanation of the drawing]

The figures show one embodiment of the present invention. Figure 1 is a side view, Figure 2 is a side view of the main part, and Figure 3 is a side view of the main part.
A simplified slope view of the i1+ mechanism, Fig. 4 is a side sectional view of the main part, Fig. 5 is an ill sectional view of the main part, Fig. 6 is a partially cutaway plan view of the main part, and Fig. 7 is a diagram of the transmission mechanism. It is a simplified slope diagram. +i+ in the figure! 'I+, 18 is 1 case of Uetukeden Ruri,
22 is a rotating case, 23 is a planting drive shaft, 28 is a metal,
29 is a sun gear 17-130, 31 is a d/f star gear, 34 is an I-container planting tool, and 62 is a seal member.

Claims (1)

[Claims] A planting drive shaft 23 protruding from the outside of the planting transmission case 18
A metal 28 is provided around the protruding portion of the planting transmission case 18 to cover the base side of the rotational outer circumference of the planting drive shaft 23, and the metal 28 is fixed to the outer wall surface of the planting transmission case 18 and covers the base side of the rotational outer circumference of the planting drive shaft 23. The case 22 is mounted in a skewered state so as to be rotated together with the planting drive shaft 23, and a sun gear 29 is provided which is fitted onto the planting drive shaft 23 and held by the metal 28 to prevent rotation. 29 is inserted into the rotating case 22 and configured to be freely insertable and removable from the fitting hole 28b of the metal 28, and the outer periphery of the metal 28 in the rotating case 22 and the inner wall of the metal insertion part of the rotating case 22. A seedling planting device in which a sealing member 62 is provided between the rotary case 22 and a seedling planting tool 34 provided on the outer side of the rotary case 22 is operated from the sun gear 29 via the planetary gears 30 and 31.