JPS5841790Y2 - Spare seedling stand rotation stopper - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a preliminary seedling stand device in a rice transplanter, particularly a riding rice transplanter that tows and supports a planting device at the rear of the machine.

Conventionally, this type of reserve seedling stand has been fixedly installed behind the driver's seat in order to facilitate the supply of reserve seedlings.

However, this spare seedling stand obstructs the rear view from the driver's seat, making it difficult to see missing plants, and since many spare seedlings are placed on the spare seedling stand at the rear of the aircraft, the front-to-back balance of the aircraft becomes poor. Planting has caused problems such as poor posture and the inability to drive in Fukada.

For this reason, the spare seedling stand device is divided into two, and each spare seedling stand is installed on a support that is installed approximately perpendicular to the machine body so that it can be rotated and fixed freely, and the spare seedling stand is separated during planting. A spare seedling stand device has been proposed which is arranged on the side of the machine and is arranged in a straight line so as to be aligned with the seedling stand when supplying spare seedlings to the seedling stand.

However, in this preliminary seedling stand device, the planting device, that is, the position where the seedling stand is raised, requires a distance so that it does not come into contact with the seedling stand even if the spare seedling stand is rotated. It has the disadvantage that it is difficult to feed the seedlings, and if the above-mentioned distance is not provided, when the spare seedling stand is rotated to raise and lower the seedling stand, the spare seedling stand will collide with the seedling stand, causing the seedling stand to There was a risk of damage.

Therefore, the present invention ('!) provides a stopper that operates in conjunction with the raising and lowering of the planting device, and when the stopper flies, the rotation of the spare seedling stand is prevented when the planting device is raised. It is an object of the present invention to provide a rotation stopper for a preliminary seedling stand which is configured as follows and thereby eliminates the above-mentioned drawbacks.

Hereinafter, the present invention will be described in detail based on embodiments shown in the drawings.

As shown in FIGS. 1 and 2, the riding rice transplanter 1 has a body 5 supported by front wheels 2 and rear wheels 3, and an engine 6 is mounted on the front of the body 5. A driver's seat 7 is disposed in the middle of the machine 5, and a spare seedling device 8 according to the present invention is further disposed at the rear of the body 5.

Further, at the rear of the fuselage 5, a planting device 10 is supported by an upper link 11a, a lower link 11b, and a hydraulic device 12 so as to be able to rise and fall freely. It has a seedling stand 15 and a float 16.

Further, the preliminary seedling device 8 has columns 17 and 17 that are installed approximately vertically on the left and right sides of the machine body 5, and columns 1γ, 17.
Boss portions 18a of the arms 18, 18 are supported rotatably on a horizontal plane, respectively.

A bracket 21 is supported at the tip of the arm 18t18 so as to be rotatable in a vertical plane by a bin 20, and the bracket 21 supports left and right spare seedling stands 22a and 22b, respectively.

Each of the spare seedling stands 22a and 22b consists of a frame with two stages and three rows, and each of them has a seedling tray 2 on which a spare seedling 23 is placed.
4 is retained.

Further, as shown in detail in Figs. 3 and 4, there are arms 25 extending outward and rearward from each other at the pillar 17°1γ.
a.

A stopper bracket 25 made of 25b is fixed.

There is a ball joint 2 near the pillar 17 of the bracket 25.
One end of the connecting rod 2T is connected by 6, and the other end of the rod 21 is connected via a ball joint to a bracket 21 supporting a preliminary seedling stand 22at22b.

At this time, if the spare seedling stand 22 is located at the rear of the machine, as shown by the chain line arm 18' in Figures 1 and 3,
The length obtained by subtracting the eccentricity value of the ball joint 26 from the horizontal component length of the east connecting rod 21 is shorter than the length of the arm 18, and the bracket 21 is tilted around the bin 20,
Therefore, the preliminary seedling stand 22a.

22b is also inclined.

In addition, if the spare seedling stand 22 is located on the side of the machine as shown by the chain lines in FIGS. 1 and 2 and the arm 18 in FIG.
The length obtained by adding the eccentricity value of 6 is approximately the same as the length of the arm 18, and the preliminary seedling stands 22a and 22b are approximately horizontal.

Further, the arm 18 is provided with a positioning pin 2 by means of a mounting plate 28.
9 is slidably supported, and the bin 21 is fixed to the stopper bracket 25 by a spring 30.
are biased into engagement.

Further, a stopper operating lever 32 is fixed to the bin 29, and the lever 32 extends so as to be operable from the driver's seat 7.

Further, a stopper 18b is provided on the boss portion 18a of the arm 18.
is fixed, and the stopper 18b can engage with a stopper bin 33 that is slidably supported by support plates 17a, 17a provided on the support column IT.

The stopper pin 33 is urged upward by a spring 35, and the lower end of the bin 33 is connected to the extension part 1 of the upper link ITa of the planting device 10 via a Bowden wire 36.
It is connected to 1a'.

The upper link 11a is positioned and supported by a spacer 40 on a shaft 38 which is rotatably supported by a bracket 31, and one end of the outer part of the Bowden wire 36 is connected to the other by a stop 41 fixed to a support 17. The end is fixed by a stop 43 fixed to a mounting plate 42.

Since the present invention has the above configuration, the preliminary seedling stand 22
When transferring and supplying the spare seedlings 23 from a and 22b to the seedling stand 15, pull the operating lever 32 to remove the positioning bin 29 from the engagement hole 31a of the guide plate 31, and move the arms 18, 18 to the first position. By engaging the positioning bin 29 with the engagement hole 31b of the guide plate 31 by the spring 30 as shown by the solid line in the figure and FIG.
2a.

22b is fixed in a straight line.

As a result, the bracket 21 supporting the preliminary seedling stands is pulled by the connecting rod 27 and rotated around the bin 20, and the preliminary seedling stands 22a and 22b are tilted rearward and downward.

At this time, the planting device 10 is located below as shown by the solid line in FIG. 1, the upper link 11a is located at the position shown by the chain line in FIG.
The stopper pin 33 is pulled downward against the spring 35 via the spring 35.

Therefore, the engagement between the bottle 33 and the stopper 18b is disengaged, and the arm 18 can freely rotate.

Note that when the planting device 10 is raised by the hydraulic device 12, the upper link 11a is also rotated as shown by the solid line in FIG. , and engages with a stopper 18b fixed to the arm 18.

Therefore, while the planting device 10 is raised, the preliminary seedling stand 22
a, 22b cannot be rotated.

Furthermore, after aligning the preliminary seedling stands 22a and 22b,
The planting device 10 is raised by the hydraulic device 12, and the upper ends of the seedling stands 15 are aligned with the preliminary seedling stands 22 a t 22 b.

As a result, the operator pushes out the seedling tray 24 from the driver's seat T, and the upper end of the seedling tray 15 is placed between the preliminary seedling trays 22a and 2.
Because it is placed close to 2b, you can smoothly grow the preliminary seedlings 2.
3 can be transferred and supplied to the seedling stand 15.

Next, when performing planting work, after lowering the planting device 10 using the hydraulic device 12 and the link 11, the operating lever 3
2 against the spring 30, remove the positioning pin 29 from the engagement hole 31b of the guide plate 31, rotate the arm 18 around the support shaft 17, and set the preliminary seedling stand 22at22b as shown in FIGS. 1 and 2. Move it to both sides of the driver's seat γ as shown by the chain lines.

After this movement, the control lever 30 is operated again to engage the positioning pin 27 with the engagement hole 31a of the guide plate 31, thereby fixing the preliminary seedling stand 22a, 22b in that position.

As a result, the bracket 21 supporting the preliminary seedling stand 22a, 22b is pushed by the connecting rod 21, and the pin 20
Since it rotates around the
b becomes horizontal.

Incidentally, the rotation operation of the preliminary seedling stands 22a and 22b cannot be performed due to the engagement of the stopper 18b and the stopper pin 33 when the planting device 10 is raised, as described above.

As explained above, according to the present invention, planting is done during work,
Since the spare seedling stands 22 a t 22 b are arranged on both sides of the machine body 5, the left and right spare seedling stands 22a.

It is possible to check the condition of the planting device 10 and the plants immediately after planting from between 22b, and to perform proper planting without missing any missing plants. , 22 b are placed near the center of gravity of the rice transplanter 1, so the front-back balance of the machine can be maintained well, and reliable work is possible.Although this is a rice transplanter with improved Fukada running performance, When the planting device 10 is raised, the stopper 18b and the stopper bin 33 are engaged and the preliminary seedling stands 22a and 22b cannot be rotated, so the preliminary seedling stands 22a and 22b are There is no risk of contacting the seedling stand 15 and damaging the seedling stand, and furthermore, when the planting device 10 is raised, the upper end of the seedling stand 15 and the spare seedling stands 22a, 22b can be provided close to each other. The seedling tray 24 or the spare seedlings 23 are not caught between the seedling stand and the spare seedling stand or fall down, and the spare seedlings can be reliably supplied from the spare seedling stand to the seedling stand.

Furthermore, when supplying spare seedlings, if the preliminary seedling stands 22a and 22b are tilted rearward and downward, the operator only has to push out the seedling tray 24, and the preliminary seedlings can be placed on the seedling stand 15 easily and without damaging the seedlings. can be supplied.

[Brief explanation of the drawing]

Figure 1 is a side view of a riding rice transplanter to which the present invention is applied;
FIG. 2 is a plan view thereof, FIG. 3 is an enlarged plan view of portion A in FIG. 1, and FIG. 4 is a side view thereof. 1... (passenger) rice transplanter, 5... body,
8... Spare seedling stand device, 10... Planting device, 15... Seedling stand, 17... Support, 18... Arm, 22a. 22b... Spare seedling stand, 23... Spare seedling, 27... Connecting rod, 33... Stopper (pin).

Claims (2)

[Scope of utility model registration request] (1) The spare seedling stand device is separated into two parts, and each spare seedling stand is rotatably and fixedly attached to a support provided approximately perpendicular to the machine body, and these spare seedling stands are separated during planting work. A rice transplanter having a spare seedling stand device which is arranged on the side of the machine body and arranged in a straight line so as to be aligned with the seedling stand when supplying spare seedlings to the seedling stand of the planting device. A stopper is provided that operates in conjunction with the lifting and lowering of the attached device.
A rotation stopper for the preliminary seedling stand configured such that rotation of the preliminary seedling stand is prevented by engagement of the stopper when the planting device is raised. (2) The rice transplanter is a riding rice transplanter in which the preliminary seedling stand device is arranged at the rear of the machine, and the planting device is supported at the rear of the machine so that it can be raised and lowered, and the arm is horizontally rotatable on the support. The spare seedling stand is vertically rotatably supported on these arms, and these spare seedling stands and a fixed position near the support are connected by a connecting rod, thereby allowing the spare seedling stand to be placed on the side of the machine. The reserve according to claim 1 of the utility model registration, wherein the reserve seedling stand is sometimes held in a substantially horizontal state, and when the reserve seedling stand is arranged in a straight line, the reserve seedling stand is tilted backward and downward. Seedling stand rotation stopper.