JPH0319683Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an upward movement regulating device for a side float in a rice paddy working machine such as a walk-behind rice transplanter, a seeding machine, a fertilizer, or the like.

[Problems to be solved by the prior art and the invention]

Generally, some rice field working machines of this type have side floats arranged on the left and right sides of the machine body. However, since the front end of this side float is suspended so that it can move up and down, the side float does not provide any support for the aircraft when the aircraft is moving around or stopping. In the case of a plane, it is extremely unstable because it has to turn and stop using only one wheel, and if you let go of it, it will topple over. Therefore, the upward movement of the side floats is restricted and the aircraft is supported by nuclear-regulated side floats to ensure the stability of the aircraft and prevent it from tipping over when turning or stopping. This is disclosed in JP-A-59-132810 and the like. However, these regulating bodies are provided with separate operating tools for operating them, and therefore, when regulating the upward movement of the left and right side floats, dedicated operations are required for each, which is cumbersome. However, it has become a problem because it has the drawback of being significantly inferior in operability.

[Means for solving problems]

In view of the above-mentioned circumstances, the present invention was devised for the purpose of providing an upward movement regulating device for side floats in paddy field working machines that can eliminate these drawbacks. In a paddy field working machine that is equipped with a regulating body that regulates the upward movement of the side float, an operating tool is provided so that the upward movement of both regulating bodies can be selectively restricted to either the left or right side, or the upward movement can be simultaneously controlled. It is characterized by being interlocked and connected.

With this configuration, the present invention makes it possible to extremely easily restrict the upward movement of the left and right side floats simultaneously and selectively.

〔Example〕

Next, embodiments of the present invention will be described based on the drawings. In the drawing, reference numeral 1 is a single-wheel walking type rice transplanter, which includes an engine 2 at the front of the machine, a transmission 3, a planting section 5 having a seedling stand 4 with a low front and a high rear.
Handle 6, left and right side floats 7, which will be described later.
It is composed of various members such as running wheels 8 and a chain case 9 disposed on the left side of the running wheels 8. On the other hand, reference numeral 10 denotes a body frame that connects the engine section at the front of the machine and the working section 5 at the rear, and a chain transmission mechanism to the planting section 5 is installed inside the body frame. Further, reference numeral 10a denotes a guide frame arranged to sandwich the engine section, the running wheels 8, and the drive mechanism for the planting section 5 from the left and right sides.

The front end of the side float 7 is vertically movably suspended from the guide frame 10a by a bendable connecting arm 7a, and the rear end swings about a support shaft 7c. The support shaft 7c is set to be vertically adjustable about a pivot 7b provided on the guide frame 10a, thereby making it possible to adjust the planting depth. On the other hand, reference numeral 11 denotes a regulating body disposed above the side float 7, and the base end of the regulating body 11 is swingably pinned 11a to a bracket 10b provided on a guide frame 10a. , is biased and supported by the bomb 11b so that it moves upward and becomes a storage position away from the side float 7. Further, one end portion of an inner wire 12 is connected to the base end portion of this regulating body 11.
As the inner wire 12 is stretched as will be described later, the regulating body 11 moves downward against the bomb 11b, comes into contact with the upper surface of the side float 7, and pushes the front side of the side float 7 downward. The move is now to restrict further upward movements.

Reference numeral 13 denotes an auxiliary frame supported between the left and right handles 6, and two sets of operating tools for the regulating body 11 are provided approximately at the center of the auxiliary frame 13. That is, the bracket 1 is attached to the auxiliary frame 13.
6 is provided, and the base end 14a of the first operating tool 14 is connected to the pivot 1 at the lower end of the bracket 16.
7 as a fulcrum, and is pivotably supported to be movable in the axial direction. The first operating tool 14 is
The lever guide 18 can be swung along the guide hole 18a, and can be moved to the regulation position 1, which will be described later, by receiving the biasing force of the bullet 17a wound around the pivot shaft 17.
8b and the release position 18c. On the other hand, the base end 14a of the first operating tool 14
A substantially central portion of the actuating body 19 is rotatably supported by a support shaft 20 . The aforementioned left and right side floats 7 are provided at both left and right ends of the actuating body 20.
The other end sides of the outer wires 12a of the regulating body 11 corresponding to the regulators 11 are arranged in a reverse left-right relationship, and outer receivers 21 are provided to receive the outer wires 12a, respectively. The proximal end of the tool 22 is integrally fixed. Here, the outer receiver 21 is connected to the operating body 20.
By selectively mounting the plurality of mounting holes 20a drilled in the outer wire 12a, the receiving position of the outer wire 12a can be adjusted, thereby making it possible to arbitrarily adjust the amount by which the side float 7 is pushed down, as will be described later. There is.

Furthermore, right and left support plates 23 are protruded from the auxiliary frame 13, and each support plate 23 has an inner wire 1 corresponding to each side float 7.
The other ends of the two are connected in a reverse relationship, and a lever guide 24 for the second operating tool 22 is attached. The second operating tool 22 is guided by a guide hole 24a provided in the lever guide 24, and can be switched in the left-right direction as described later. The operation of these operating tools 14, 22 assembled in this way will now be explained. First, the first operating tool 14 is normally located at the release position 18c by the biasing force of the bullet 11b provided on the regulating body 11. In this state, the regulating body 11 is moving upward, and therefore both side floats 7
is in a free state with no upward movement restrictions. Therefore, when stopping the aircraft, etc., if the first operating tool 14 is operated from the release position 18c in the direction of arrow A to position it at the restriction position 18b, the support plate 2
also moves in parallel in the direction of arrow A, and as a result,
The inner wires 12 are stretched together by the pushing action of both outer receivers 21. Therefore, both regulating bodies 11 move downward against the ammunition 11b,
The upward movement of both side floats 7 is restricted with the front pushed down, thereby ensuring the aircraft support action by both left and right side floats 7, and allowing both side floats 7 to act as stands when the aircraft is stopped. It is now available for use.

On the other hand, regarding the second operating tool 22, the second operating tool 22 is normally located at a substantially central position due to the biasing force of the ammunition 11b. From this state, now operate the second operating tool 22 to the right along the guide hole 24a (in the direction of arrow B), and move the guide groove 24b on that side.
When engaged with the outer receiver 21 on the right side,
Due to the pushing action, only the inner wire 12 of the left side float 7, which is opposite to the corresponding one, is stretched. As a result, the left side regulating body 11 moves downward and pushes down the left side float 7, and its upward movement is restricted at this position. As a result, the left side float 7 is actively lifting and supporting the left side of the aircraft, resulting in a higher slope, and in this state, the aircraft is tilted upward. The right side float 7 can be rotated to the right by the regulating body 11 by operating the second operating tool 22 to the left (in the direction of arrow C) when rotating to the left. The upward movement is restricted in the depressed state, and counterclockwise rotation is possible in this state, and in this way, the side corresponding to the right or left operation of the second operating tool 22 is the rotation center side. It is set to be.

In the embodiment of the present invention configured as described above, the planted seedlings placed on the seedling platform 4 are directed to unit planting plants by the planting operation of the planting claws that is timed to the traveling speed of the aircraft. It will be scraped off by seedlings and planted on the rice field.

In such seedling planting work, when one work cycle is completed, the machine turns around at the headland and moves on to the next work cycle. For example, when the machine rotates clockwise, for example, while holding the handle 6 with the right hand, hold the second operating tool 22 with the left hand and operate it in the direction of arrow B, that is, to the right, to move the guide groove. engage with. Then, as described above, the left regulating body 11 moves downward and the left side float 7 is pushed down, and upward movement is restricted at this position. Therefore, the rice transplanter 1 receives the pushing up action by the left side float 7 that has been pushed down, and assumes an inclined posture with the left side being higher. As a result, the aircraft body receives a stable support effect from the traveling wheels 8 and the left side float 7 whose upward movement is restricted, and can extremely easily turn clockwise. Then, when the second operating tool 22 is released from the guide groove 24b after turning, the second operating tool 22 can be moved to the ammunition 11a.
The side float 7 automatically returns to the neutral position by the biasing force, and the above-mentioned upward movement restriction of the side float 7 is released. In addition, when turning counterclockwise, by operating the second operating tool 22 to the left (in the direction of arrow C), the right side float 7 is pushed down and upward movement is restricted at this position. , you can perform a left rotation in this state. On the other hand, when stopping the aircraft, by operating the first operating tool 14 in the direction of arrow A, both side floats 7 are simultaneously pushed down and upward movement is restricted as described above.
Therefore, even if it is a single-wheel type rice transplanter, the left and right side floats 7 can be used as stands as they are, and will not fall over.

In this way, in the present invention, the upward movement of either the left or right side float 7 is selectively restricted, the aircraft is supported by the side floats 7, and the aircraft is rotated or stopped stably. However, simultaneous or selective upward movement regulation of the side float 7 can be done by using the operating tools 14 and 22 without operating dedicated operating tools each time as in the past. By the switching operation, the upward movement of the left and right side floats 7 can be restricted simultaneously or selectively as needed, and therefore, the operability can be significantly improved.

Furthermore, as in the embodiment, simultaneous upward movement restriction is performed by vertically operating the first operating tool 14, and selective upward movement restriction is performed by operating the second operating tool 22 in the left and right directions. Because it is familiar, it is possible to definitely eliminate operational errors.

In the embodiment, the second operating tool 22 is made to be able to be operated, for example, by pushing and pulling in the direction of arrow A at the neutral position, or in the front and back direction, so that the tensioning action of the inner wire 12 can be performed at the same time. If configured, the selective upward movement restriction operation and the simultaneous upward movement restriction on the left and right sides can be performed using a single operating tool.In this case, only one operating tool is required. It is possible to reduce the number of parts and further improve operability.

[Effect]

In summary, since the present invention is constructed as described above, it is possible to restrict the upward movement of either the left or right side float in order to turn the aircraft, or to restrict the upward movement of the left and right side floats simultaneously in order to stop the aircraft. This can be done at will by operating the operating tools that are interlocked with both side floats, without having to operate a dedicated operating tool each time as in the past.Therefore, the operability is extremely high. , it is possible to significantly improve workability.

[Brief explanation of the drawing]

The drawings show an embodiment of the upward movement regulating device for a side float in a rice field working machine according to the present invention, in which FIG. 1 is an overall side view of the rice transplanter, FIG. Figure 3 is an overall side view explaining the action of the side float, Figure 4 is a rear view of the operating tool, Figure 5 is a side view of the same as above, Figure 6
Y and Z are views taken along the X, Y and Z arrows in FIG. 4, respectively. In the figure, 7 is a side float, 11 is a regulator, 1
4 is a first operating tool, and 22 is a second operating tool.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. In a paddy field working machine in which regulating bodies for regulating the upward movement of side floats arranged on the left and right sides of the machine body are respectively provided, the regulating bodies can be selectively set to either the left or the right. A device for regulating the upward motion of a side float in a paddy field machine, characterized in that the device is interlocked with an operating tool so as to regulate the upward motion or to simultaneously regulate the upward motion. 2. The operating tool is comprised of a first and a second operating tool to specifically control the upward movement of the left and right sides simultaneously and selectively control the upward movement of the left and right sides. Upward movement control device for side floats on paddy field working machines.