JP2843794B2 - Rice transplanter with fertilizer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rice transplanter equipped with a fertilizer and a fertilizer, which is configured to feed a fertilizer into a field as a seedling is planted.

[0002]

2. Description of the Related Art In a rice transplanter with a fertilizer device as described above, a fertilizer device is fixed at a predetermined position, and the predetermined position is set as a work position of the fertilizer device for feeding fertilizer into a field, and fixed at the work position. Many fertilizers are configured to send fertilizer to a field from the fertilizer application devices.

[0003]

In the rice transplanter with a fertilizer device as described above, the fertilizer device is often located close to the working position of the fertilizer device. It may be difficult to perform maintenance work on other devices. An object of the present invention is to make it possible to easily perform maintenance work on a fertilizer application device and other devices nearby in a rice transplanter with a fertilizer application device.

[0004]

A feature of the present invention is that a rice transplanter with a fertilizer is configured as follows. A fertilizer is provided to feed the fertilizer to the field with the planting of the seedlings.The fertilizer is moved from the working position for feeding the fertilizer to the field and the non-working position separated from the working position upward in the working position. While maintaining the posture of the fertilizer at the working position, and the output unit is arranged at a position different from the fertilizer at the working position, and is driven across the input unit and the output unit of the fertilizer at the working position. By connecting the rod, the power of the output section is transmitted to the input section via the drive rod as the push / pull power, and the connection state between the output section and the input section by the drive rod can be released. .

[0005]

[I] According to the features of the first aspect, the fertilizer applicator located at the working position can be moved to the non-working position which is separated upward from the working position. By thus separating the fertilizer application device from the work position to the non-work position, the maintenance work of the fertilizer device can be easily performed without being disturbed by other devices arranged near the work position. Can be. Maintenance work of other devices arranged near the work position can also be easily performed without disturbing the fertilizer application device.

According to the first aspect of the present invention, since the fertilizer can be moved up and down between the working position and the non-working position separated upward, the fertilizer can be moved to the non-working position separated upward. The fertilizer does not protrude largely in the lateral direction from the area of the rice transplanter.

According to the first feature of the present invention, when the fertilizer is moved between the working position and the non-working position separated upward, the fertilizer is moved while maintaining the posture at the working position. Therefore, when the fertilizer is moved, the fertilizer in the fertilizer does not fall out, and it is not necessary to take out the fertilizer from the fertilizer for the moving operation.

[II] When the power of the output unit at a position different from that of the fertilizer is transmitted to the input unit of the fertilizer located at the work position to drive the fertilizer, the above-mentioned [I] When moving the fertilizer applicator to a non-work position, which is separated from the work position upward as described in [1], it is necessary to remove the transmission system from the output section to the input section of the fertilizer apparatus. In this case, if the transmission chain is wound around the output section and the input section of the fertilizer applicator, or if the bevel gear mechanism and the transmission shaft are erected, the transmission chain and the transmission shaft can be removed so that the transmission can be removed. A complicated attachment / detachment structure is required, and this complicated attachment / detachment structure causes an increase in weight.

According to the first aspect of the present invention, a drive rod is connected between the output section and the input section of the fertilizer, and the power of the output section is transmitted to the input section of the fertilizer as push-pull power by the drive rod. And a structure in which the connection between the output unit and the input unit by the drive rod is released by obtaining a configuration in which the connection can be disconnected.

[0010]

According to the first aspect of the present invention, in the rice transplanter with the fertilizer applicator, the fertilizer applicator can be moved to the non-working position, which is separated from the work position by an upward movement, so that the fertilizer applicator and the work position are close to each other. Can easily perform maintenance work of other devices arranged in the plant, and the workability of the rice transplanter with the fertilizer application device can be improved.

According to the first aspect of the present invention, it is possible to move the fertilizer applicator to a non-working position which is separated upward without any trouble without extending the fertilizer appreciably in a lateral direction. Could be improved. Claim 1
According to the feature of the present invention, when the fertilizer is moved between the working position and the non-working position that is separated upward, the fertilizer in the fertilizer does not spill out. There is no need to remove the fertilizer, there is no waste of fertilizer, and the occurrence of rust or the like due to the spilled fertilizer adhering to the metal part is prevented.

According to the first aspect of the present invention, the output unit and the input unit of the fertilizer applicator are connected by a push-pull type drive rod, and the connection can be disconnected. Since the structure for releasing the connection with the input unit can be configured to be simple,
This is advantageous in terms of weight reduction. Furthermore, the above-described operation of releasing the connection state and the operation of returning to the connection state can be easily performed, so that operability is improved.

[0013]

As shown in FIG. 2, a seedling rest 1 which reciprocally moves sideways to the left and right in conjunction with the planting operation, a feed case 2 receiving power transmission from a driving unit below the seedling rest 1, A transmission case 3 extending left and right from the case 2, a plurality of planting cases 4 extending rearward from the transmission case 3, and a rotating planting case pivotally supported on both left and right sides of the planting case 4. 5, planting claws 6a attached to the rotating planting case 5
The seedling planting apparatus A is constituted by a pair of planting arms 6 attached thereto, a grounding float 7 disposed below the planting case 4, and the like.

Fertilizer storage hopper 8, Fertilizer storage hopper 8
Mechanism 9 for receiving the fertilizer from the lower part and feeding it downward, a falling pipe 10 made of hard resin below the feeding mechanism 9, a groove forming device 11 attached to the ground float 7 at the lower end of the falling pipe 10, and the like. The fertilizer application device B is configured, the fertilizer application device B is arranged behind the seedling rest 1, and the seedling planting device A and the fertilizer application device B are mounted on a riding type traveling machine (not shown).
Is connected to a rear part via a link mechanism (not shown) so as to be able to move up and down freely to constitute a rice transplanter with a fertilizer application device having a plurality of rows.

Next, the mounting structure of the fertilizer applicator B will be described. As shown in FIGS. 1 and 2, two planting cases 4 each of which is provided with a planting arm 6 and located at the lateral end of the planting streak in two planting cases 4 each serve as a guide. The column 12 is erected. Attachment frame 1 to two columns 12 by upper and lower two legs 13A
3 is slidably mounted, a horizontal frame 14 is erected over the two mounting frames 13 with a length of approximately the planting width, and a movable frame 15 that moves up and down along the axis of the column 12 is configured. I have. A plurality of connecting frames 16 are extended from the horizontal frame 14 toward the connecting portion between the fertilizer storage hopper 8 and the feeding mechanism 9, and the two connecting frames 16 are connected as a pair to both side surfaces of the connecting portion. ing.

As a result, the fertilizer storage hopper 8 and the feeding mechanism 9 can be integrally connected to the movable frame 15, so that they can be integrally moved in the vertical direction. As the structure for fixing the movable frame 15 to the support 12, a screwing structure is adopted, but a friction type may be used as long as it can withstand a load. A gas spring 17 is erected between the mounting frame 13 and the column 12, and the downward movement of the movable frame 15 is reduced by the urging force of the gas spring 17, and the fertilizer storage hopper 8 and the feeding mechanism 9 are provided.
This assists in artificially lifting the load and reduces the supporting load applied to the movable frame 15.

Next, the drive structure of the feeding mechanism 9 will be described. As shown in FIGS. 1 and 2, a connecting member 18 (corresponding to an output unit) is provided over a support shaft (not shown) that supports the planting arm 6 located at one end, and the feeding mechanism 9 Extend the rotor shaft 19 (corresponding to the input section), and
A balance-type drive arm 20 is attached to the extension end of 9, the drive arm 20 and the connecting member 18 are connected by a push-pull type drive rod 21, and the feeding mechanism 9 is driven by planting power. ing. A turnbuckle-type connecting member 22 is arranged at an intermediate portion of the drive rod 21 so that the length of the drive rod 21 can be adjusted and the drive rod 21 can be divided into two parts.

Therefore, when moving the movable frame 15 in the vertical direction, the connection of the connecting member 22 is released. As shown in FIGS. 4 and 2, a funnel-shaped discharge port a at the lower end of the feeding mechanism 9 is opened downward in a trumpet shape, and the upper end of the downflow pipe 10 made of hard resin and having a fixed flow path is
The connection state is maintained by inserting and contacting the opening of the discharge port a from below, and the movable frame 15 is configured to be allowed to move in the vertical direction.

By releasing the connection state of the drive rod 21 from the above configuration, the lower working position shown in FIG. 3A and the upper non-working position shown in FIG.
The fertilizer storage hopper 8 and the feeding mechanism 9 can be moved up and down together with the movable frame 15.
Thus, in the upper non-working position shown in FIG. 3B, the maintenance work of the fertilizer storage hopper 8 and the feeding mechanism 9 and the maintenance work of other devices arranged near the lower working position can be easily performed. FIG. 2
The treatment of the seedlings remaining under the seedling placing surface b of the seedling placing stand 1 shown in FIG. Further, it is possible to easily adjust the planting claws 6a located near the lower part of the seedling placing surface b, replace the seedling guide provided at the seedling outlet, and clean the seedlings clogged in the seedling guide.

Next, the structure of the stand 23 will be described. As shown in FIGS. 1 and 2, the bracket 24 extends toward both sides from the connection portion between the fertilizer storage hopper 8 and the feeding mechanism 9 located on the left and right sides, and
A stand 23 which can be extended and retracted in three stages is attached to the stand, and the stand 23 is configured to be movable up and down integrally with the fertilizer storage hopper 8 and the feeding mechanism 9. Stand 2
In a state in which the stand 3 is not used, as shown by a solid line, the stand 23 is held by the holder 25 projecting from the feeding mechanism 9 in a contracted state.

As shown in FIG. 3 (b), when the fertilizer storage hopper 8 and the feeding mechanism 9 are moved to the upper non-working position and the stand 23 is set in the extended state, the fertilizer storage hopper 8 and the feeding The mechanism 9 can be supported. In the state shown in FIG. 3B, when the seedling planting device A is set at the lowest position with respect to the traveling machine together with the link mechanism (not shown), the seedling placing surface b, the fertilizer storage hopper 8, and the feeding mechanism The interval between the seedling 9 and the seedling 9 is greatly widened, so that the seedling remaining on the seedling placing surface b can be easily treated.

[Another Embodiment] Not only the fertilizer storage hopper 8 and the feeding mechanism 9 but also the downflow pipe 10 and the groove generator 11 are integrally formed so that the entire fertilizer applicator B can be moved up and down. You may comprise. As a mode of moving the fertilizer storage hopper 8 and the feeding mechanism 9 in the vertical direction, a link (not shown) may be used instead of the guide column 12. As a mode of providing the stand 23, only when the stand 23 is attached to the storage portion of the riding type traveling body and the manure storage hopper 8 and the feeding mechanism 9 are moved to the upper non-working position and fixed. 23 is removed from the storage part, and the stand 2 is placed between the bracket 24 and the ground.
3 may be used. In this case, the stand 23 may be of a fixed size instead of a telescopic type. As a mechanism for moving the fertilizer storage hopper 8 and the feeding mechanism 9 in the vertical direction, an actuator (not shown) such as a hydraulic cylinder is used to automatically move the fertilizer storage hopper 8 and the feeding mechanism 9. You may comprise. As the fertilizer applicator B, besides the side-strip type fertilizer applicator B shown, a deep-layer type fertilizer applicator B and a side-strip deep-layer fertilizer applicator B, or a fertilizer applicator B and a fertilizer spraying apparatus may be arranged in parallel. The stand 23 may be extended by air pressure and contracted when the air pressure is released. In this case, a configuration may be adopted in which a foot-operated air pump is used as the air pressure supply means, and the plug is loosened to release the air pressure. The fertilizer applicator B may be located on the back side of the seedling rest 1. The present invention may be applied to a walking type rice transplanter equipped with the fertilizer application device B.

In the claims, reference numerals are provided for convenience of comparison with the drawings, but the present invention is not limited to the configuration shown in the attached drawings.

[Brief description of the drawings]

FIG. 1 is an overall rear view of a seedling planting device and a fertilizer application device.

FIG. 2 is an overall side view of a seedling planting device and a fertilizer application device.

FIG. 3A is a rear view showing a state in which the fertilizer storage hopper and the feeding mechanism are set to a lower working position. FIG. 3B is a rear view showing a state in which the fertilizer storage hopper and the feeding mechanism are set to an upper non-working position.

FIG. 4 is a cross-sectional view showing a connection structure of a downflow pipe.

[Explanation of symbols]

 18 Output unit 19 Input unit of fertilizer application device 21 Drive rod B Fertilizer application device

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-1-269411 (JP, A) JP-A-59-51714 (JP, A) JP-A-2-123812 (JP, U) (58) Survey Field (Int.Cl. ⁶ , DB name) A01C 11/00 302 A01C 15/00

Claims (1)

(57) [Claims] 1. A fertilizer device (B) for feeding a fertilizer to a field in accordance with planting of a seedling, wherein the fertilizer device (B) is arranged at a work position for feeding the fertilizer to the field and an upper position from the work position. Movably supported while maintaining the posture in the working position over a non-working position separated from the fertilizer device (B) in the working position. Arranged and said fertilizer application device in working position (B)
A drive rod (21) is connected between the input part (19) and the output part (18), and the power of the output part (18) is pushed and pulled as the power through the drive rod (21). (19) and the input part (1) by the drive rod (21).
9) A rice transplanter with a fertilizer device configured to be able to release a connection state with 9).