JP3016228B2 - Rice transplanter with fertilizer application - 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, which is provided with a fertilizer for feeding fertilizer to 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 a 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 a 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. The present invention relates to a rice transplanter with a fertilizer application device,
An object of the present invention is to provide a configuration that facilitates maintenance work of a fertilizer application device and other nearby devices, and to facilitate the operation of this configuration.

[0004]

A feature of the present invention resides in a rice transplanter with a fertilizer application device, which is configured as follows. [1] A fertilizer is provided to feed the fertilizer into the field as the seedlings are planted. In a state where the posture is maintained, the elevating mechanism that movably supports the fertilizer is provided, and the fertilizer is provided with a holding operation tool capable of holding and releasing the fertilizer at the working position and the non-working position. A power transmission mechanism that is manually operable from one side in the longitudinal direction of the fertilizer device in side view and that transmits power to the fertilizer device from an output unit separate from the fertilizer device. It is located on the other side of the direction.

[2] A fertilizer is provided to feed the fertilizer to the field as the seedlings are planted. In addition to the elevating mechanism that movably supports the fertilizer device while maintaining the posture at the position, the holding device includes a holding operation tool that can hold and release the fertilizer device in the working position and the non-working position. The tool is placed so that it can be manually operated from one side in the longitudinal direction of the body of the fertilizer device in side view, and the transmission mechanism and the lifting mechanism that transmit power to the fertilizer device from an output unit separate from the fertilizer device are shown in side view. , The fertilizer application device is disposed on the other side in the longitudinal direction of the machine.

[0006]

[I] According to the features of the first and second aspects, the fertilizer applicator located at the work position can be moved to the non-work position, which is separated from the work position by a lifting mechanism. As described above, by 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. be able to. In addition, when a device requiring maintenance is arranged near the work position, the maintenance work of this device can be easily performed without disturbing the fertilizer application device.

According to the first and second aspects of the present invention, the fertilizer applicator can be moved up and down between the working position and the non-working position separated upward by the lifting mechanism, so that it can be moved to the non-working position separated upward. Due to the operation, the fertilizer applicator does not protrude largely in the lateral direction from the range of the rice transplanter with the fertilizer applicator.

According to the first and second aspects of the present invention, when the fertilizer is moved between the working position and the non-working position separated upward by the elevating mechanism, the fertilizer is maintained in the working position. Can be moved, so that when the fertilizer is moved, the fertilizer in the hopper of the fertilizer does not fall out, and there is no need to take out the fertilizer from the hopper of the fertilizer for the moving operation.

[II] According to the features of claims 1 and 2, when the fertilizer is moved between the working position and the non-working position separated upward by the lifting mechanism, the fertilizer is not operated by the holding operation tool. What is necessary is just to hold | maintain in a position. Accordingly, in a state where the fertilizer applicator is stably held at the non-working position, the maintenance work of the fertilizer applicator described in the preceding section [I] and the maintenance work of the apparatus which is located near the work position and requires maintenance are performed. I can do it. Furthermore, if the fertilizer is held at the working position by the holding operation tool, the fertilizer is sent from the fertilizer to the field while the fertilizer is stably held at the working position.

[III] When a holding operation tool as described in the above item [II] is provided,
According to the features of claims 1 and 2, the holding operation tool is arranged so as to be operable artificially from one side in the longitudinal direction of the body of the fertilizer device in a side view, and power is supplied to the fertilizer device from an output unit separate from the fertilizer device. The transmission mechanism (and the elevating mechanism) for transmitting is disposed on the other side of the fertilizer application machine in the longitudinal direction of the machine in side view. Thus, the holding operation tool and the transmission mechanism (and the elevating mechanism)
Are arranged on the opposite sides of the fertilizer application device in the longitudinal direction of the machine, so that when the operator artificially operates the holding operation device, the holding operation device is not disturbed by the transmission mechanism (and the elevating mechanism). Can be easily operated.

[0011]

According to the features of the first and second aspects of the present invention, in a rice transplanter with a fertilizer application device, the fertilizer application device can be moved to a non-working position which is separated from an upper working position by a moving operation. The maintenance work of the equipment which needs to be placed near the position and requires maintenance can be easily performed, and the workability of the rice transplanter with the fertilizer application apparatus can be improved.

According to the features of the first and second aspects, since the fertilizer can be moved to the non-working position which is separated upward without any trouble without extending the fertilizer in a large lateral direction, the workability of the rice transplanter with the fertilizer is improved. Could be further improved.
According to the features of Claims 1 and 2, when the fertilizer is moved between the working position and the non-working position separated upward, the fertilizer in the hopper of the fertilizer does not fall out. There is no need to take out the fertilizer from the hopper of the fertilizer for operation, there is no waste of fertilizer, and the occurrence of rust and the like due to the spilled fertilizer adhering to the metal part is prevented.

According to the features of claims 1 and 2, while the fertilizer device is stably held in the working position and the non-working position,
Feeding fertilizer to the field, maintenance work on fertilizers and equipment that needs maintenance that is located near the work position can be performed reliably, and the workability of the rice transplanter with fertilizers can be further improved. Could be improved.

According to the first and second aspects of the present invention, the holding mechanism and the transmission mechanism (and the lifting mechanism) are arranged on the opposite sides of the fertilizer in the longitudinal direction of the body, so that the transmission mechanism (and the lifting mechanism) are provided. The holding operation tool can be easily operated without being obstructed, and the workability and operability of the rice transplanter with the fertilizer application can be improved.

[0015]

Embodiments will be described below with reference to the drawings. FIG.
Shows the rear part of a rice transplanter with a fertilizer application device. In this rice transplanter with a fertilizer application device, a seedling planting device 2 is connected to a rear portion of a traveling machine body (not shown) via a link mechanism (not shown) so as to be vertically movable, and a fertilizer device 3 is provided behind the seedling planting device 2. It is configured to be mounted. The seedling planting apparatus 2 includes a seedling rest 5 that reciprocates horizontally with a fixed stroke with respect to a planting transmission case 4 that also serves as a frame. Attaching mechanism 6, and a plurality of leveling floats 7
And the like.

As shown in FIGS. 1 and 3, the planting mechanism 6
At both ends of the rotating case 8 driven to rotate about the horizontal axis,
A planting arm 10 having a planting claw 9 at the tip is rotatably supported, and the planting claw 9 is substantially elliptical in a side view by a gear mechanism (not shown) as the rotating case 8 is driven to rotate. The planting operation is performed while drawing a trajectory.

As shown in FIGS. 1 and 2, at the lower side of the seedling placing surface 5a of the seedling placing stand 5, a seedling holding stay 11 for preventing floating of the seedlings is in an operating position close to the seedling placing surface 5a. And a retreating posture separated upward and outward, and is provided so as to be capable of switching and swinging around a horizontal axis X1 at a rear portion. A seedling holding stay 1 is attached to a support shaft 11a which is erected over a bracket erected at a partition portion of each planting strip of the seedling rest 5.
1 is fixed, and the posture of the seedling holding stay 11 is switched by rotating the support shaft 11a with the operating tool 11b.

As shown in FIGS. 1 and 3, the fertilizer applicator 3
A hopper 12 for storing powdered and granular fertilizer is provided at every upper portion, and a feeding mechanism 1 for each planting line is provided below the hopper 12.
3, a downflow pipe 1 that guides the fed fertilizer down into a ditch created in a field scene by a ditcher 14
5 is provided. The feeding mechanism 13 includes, in a feeding case 16, a feeding roll 17 having a concave portion for entering fertilizer formed on an outer peripheral surface thereof.
7 is rotated by the drive shaft 18 so that only the fertilizer stored in the recess flows down through the downflow pipe 15.

As shown in FIGS. 1 and 3, a support member 19 (corresponding to an output portion) erected on the lateral side of each planting arm 10 in the planting mechanism 6 is offset from the rotation axis of the rotating case 8. The drive rod 20 (corresponding to a transmission mechanism) is connected to the centered position, and the upper end of the drive rod 20 is connected to the drive shaft 18 so that the drive shaft 18 is driven to rotate.

The fertilizer applicator 3 has a work position in which all the planting streak portions are integrally provided in the vicinity of the upper side of the planting mechanism 6 and a non-working position which is separated upward from the work position. , Are movably supported. As shown in FIGS. 1 and 3,
A pair of left and right support rails 2 from the rear side of the planting transmission case 4
3 (corresponding to an elevating mechanism) is erected, and a horizontal frame 25 integrally connecting and fixing the fertilizer applicator 3 of each planting streak via a support arm 24 is connected to a pair of left and right movable frames 26. The movable frame 26 is movably supported by the support rail 23 by a pair of upper and lower guide rollers 27.

As shown in FIGS.
6 can be switched between an engagement position where it enters the engagement hole 28 formed in the support rail 23 and a slide operation position where the engagement is released by swinging upward, and the engagement side Locking device 29 biased by a spring (not shown)
(Corresponding to a holding operation tool), a support rail 2
3 has an engagement hole 28 formed at each of a position where the fertilizer applicator 3 is held at the lower working position and a position where the fertilizer applicator 3 is held at the non-working position that has been moved up to the maximum. , And are automatically engaged and held. When the fertilizer applicator 3 is raised to the non-working position, the fertilizer applicator 3 is set so as not to interfere with the operation of switching the seedling holding stay 11 to the retracted posture (see FIG. 2).

Since the planting mechanism 6 and the cultivator 14 are provided in a fixed position, the linkage is released as the fertilizer applicator 3 is moved to the non-working position as described above. Have been. As shown in FIGS. 1, 2, 3, and 4, a separation part 30 is formed in a part of the flow path of the fertilizer, and a lower part of the separation part 30 is formed in a trumpet shape.
It is configured such that it can be easily inserted into the device 5 and separated upward.

The drive rod 20 is configured such that the connection of the end on the side of the planting mechanism 6 can be easily released. As shown in FIGS. 6 and 7 (a) and (b), the connecting member 32 of the ball joint 31 provided at the end of the driving rod 20 is rotatably fitted to the support member 19. The tubular body 33 is mounted, and the stopper 33 attached to the support member 19 is configured to prevent the tubular body 33 from coming off. The stopper member 34 is slidably provided between a retaining engagement position and a disengagement position by engagement of the pin 35 and the elongated hole 36, and the stopper member 3 is provided.
By sliding 4 and pulling out cylinder 33,
The connection of the end of the drive rod 20 on the side of the planting mechanism 6 can be easily released.

The disconnected drive rod 20 is configured so as not to be in the way when the fertilizer applicator 3 is moved to the upper non-working position. As shown in FIG.
The feeding mechanism 13 is covered with a cover 45 that can swing open and close around a horizontal axis X2 on the rear side of the fertilizer application device 3, and a locking hook 46 is provided on the cover 45. As shown in FIGS. 2 and 9, by locking the drive rod 20 to the locking hook 46 in a state where the lid 45 is opened, the drive rod 20 is held in a posture in which the upper part of the seedling rest 5 is opened. Will be retained.

As shown in FIGS. 4 and 5, a lateral support rod 37 is connected and connected over the upper portions of the left and right support rails 23.
A bracket 38 (FIG. 3)
The gas spring 39 is supported via the reference spring).
One end of a wire 40 is connected to each of the lower portions of the left and right movable frames 26 (see FIG. 3), and the wire 40 is
, Pulleys 43 and 42 supported on the left and right sides, a pulley 43 supported on an intermediate portion, and a gas spring 39.
The other end of each of the wires 40 is connected to the lateral support rod 37 by being wound around a movable pulley 44 supported at the distal end of the movable rod 39a.

An auxiliary biasing force is applied to the wire 40 in the upward direction of the movable frame 26 by the lateral movement biasing force of the movable pulley 44 by the biasing force of the gas spring 39. Therefore, when the fertilizer applicator 3 is moved from the lower working position to the upper non-working position, the manual operation can be performed lightly even if the lifting operation is performed by a manual operation.

When the fertilizer applicator 3 is moved to the upper non-working position and the operation of taking out the seedlings remaining on the seedling rest 5 is performed, the fertilizer applicator 3 may erroneously move downward along the support rail 23. Is provided. As shown in FIGS. 10A and 10B, a detection switch S is provided near the support shaft 11a of the seedling holding stay 11 to detect that the seedling holding stay 11 is switched from the operating position to the retracted position.
W is provided, and when the detection switch SW is in the detection state, the electromagnetic solenoid SL that is locked and held by the guide roller 27 while the fertilizer application device 3 is held in the non-working position is attached to the support rail 23. Have been. The electromagnetic solenoid SL is configured to release the holding state and allow the fertilizer applicator 3 to move downward when the seedling holding stay 11 is returned to the operating position and the detection switch SW is deactivated. .

In the claims, the reference numerals are used to facilitate 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 side view of a seedling planting device and a fertilizer application device.

FIG. 2 is a side view showing a state where the fertilizer applicator is moved to an upper non-working position.

FIG. 3 is a rear view of the fertilizer applicator in a lower working position.

FIG. 4 is a rear view showing a state in which the fertilizer applicator has been moved to an upper non-working position.

FIG. 5 is a plan view near a gas spring.

FIG. 6 is a rear view showing a state in which the drive rod is connected to and disconnected from the support member.

FIG. 7 is a side view showing a state in which the drive rod is connected to and disconnected from the support member.

FIG. 8 is a side view of the vicinity of the lock.

FIG. 9 is a rear view of the vicinity of a locking hook in the lid.

FIG. 10 is a side view showing a structure for preventing a state where the fertilizer applicator in the non-working position is erroneously moved to the lower working position.

[Explanation of symbols]

 3 Fertilizer Apparatus 19 Output Unit 20 Transmission Mechanism 23 Elevating Mechanism 29 Holding Operation Tool

──────────────────────────────────────────────────続 き Continued on the front page (56) References JP-A-64-63311 (JP, A) JP-A-63-186120 (JP, U) JP-A-3-22616 (JP, U) JP-A Sho 54- 39308 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) A01C 11/00 302 A01C 15/00-23/04

Claims (2)

(57) [Claims] 1. Fertilizer is sent to a field with planting of seedlings.
Comprises a crowded by going fertilizing device (3), fertilizer from the working position and the working position for feeding in the field
In the working position, extending to the non-working position, which is separated upward
While maintaining the force, the fertilizer applicator (3) can be moved freely.
And a lifting mechanism (23) for supporting the fertilizer application device (3) in the working position and the non-working position.
Equipped with a holding operation tool (29) that can be held and released.
The holding operation tool (29) is mounted on the fertilizer
(3) can be manually operated from one side of the fuselage longitudinal direction
Disposed, the facilities from another output section (19) from said fertilization device (3)
The transmission mechanism (20) for transmitting power to the fertilizer device (3)
The other in the longitudinal direction of the body of the fertilizer application device (3) when viewed from above
Rice transplanter with fertilizer applied to the side . 2. Fertilizer is sent to a field as the seedlings are planted.
Comprises a crowded by going fertilizing device (3), fertilizer from the working position and the working position for feeding in the field
In the working position, extending to the non-working position, which is separated upward
While maintaining the force, the fertilizer applicator (3) can be moved freely.
And a lifting mechanism (23) for supporting the fertilizer application device (3) in the working position and the non-working position.
Equipped with a holding operation tool (29) that can be held and released.
The holding operation tool (29) is mounted on the fertilizer
(3) can be manually operated from one side of the fuselage longitudinal direction
Disposed, the facilities from another output section (19) from said fertilization device (3)
Transmission mechanism (20) for transmitting power to fertilizer device (3) and front
The raising and lowering mechanism (23) is provided with the fertilizer
(3) Fertilizer application device arranged on the other side in the longitudinal direction of the machine
With rice transplanter.