JPH0144010Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention has been developed so that, regardless of the horizontal tilting of the traveling machine due to the inclination or unevenness of the tiller, the planting device can be fixed to the traveling machine so that there will be no variation in the left and right planting depth. It is a rice transplanter that is configured to be connected to the rice transplanter so that it can roll freely.More specifically, it has a sensor that detects the rolling attitude of the planting device that is connected to the main machine so that it can roll freely, and a rice transplanter that is connected to the rice transplanter so that it can roll freely. and a drive mechanism for automatically rolling the planting device so that the detected attitude is maintained within a set range, and a switch mechanism for switching the drive mechanism between an operating state and a non-operating state. This article relates to a rice transplanter with a rolling control device.

In such a rice transplanter equipped with a rolling control device, so that the rice transplanter can run safely without undue rolling of the planting device when traveling on the road,
In order to easily replenish seedlings without rolling the planting device, a manual switch mechanism is provided for manually switching the rolling drive mechanism between an operating state and a non-operating state; To prevent damage to the drive device caused by the drive device continuing to be driven even after the planting device is located at the end of the rolling range, such as motor seizure due to energization of the motor when rolling of the planting device is regulated. Above, an automatic switch mechanism is needed to stop the drive mechanism from further rolling the planting device when the planting device is located at the end of the rolling range.

Conventionally, such two types of switch mechanisms were
The circuit was constructed using separate switches for each switch, but this had the disadvantage that the circuit construction was complicated and the cost was high.

The present invention aims to eliminate such drawbacks.

The rice transplanter with rolling control device according to the present invention is
In the activated state of the drive mechanism, when the planting device is positioned at the end of a rolling range, an automatic switch mechanism disables further rolling of the planting device and the drive mechanism is actuated by manual operation. The present invention is characterized in that the switch mechanism is configured to also serve as a switch mechanism that prevents the switch from turning on or off.

That is, both switch mechanisms are made to serve as a switch.

Therefore, according to the present invention, fewer switches are needed than in the past, which simplifies the circuit and reduces the occurrence of malfunctions such as poor conduction, while also reducing costs. I was able to take it down.

Hereinafter, an embodiment of the present invention will be described based on the drawings. A planting device 2 is connected to the rear of the traveling main machine 1 via a link mechanism 3 so as to be able to rise and fall freely, and the planting device 2 is connected to the link mechanism 3 back and forth. The planting device 2 is pivotably mounted around the axis a so that it can roll freely.
A sensor 4 using a spirit level is provided to detect the rolling posture relative to the horizontal posture, and the planting device 2 is automatically controlled so that the detected posture is maintained within a set range based on the detected posture by this sensor 4. The rice transplanter is equipped with a rolling mechanism 5 and a switch mechanism 6 for switching the drive mechanism 5 between an operating state and a non-operating state. It is configured as follows.

The sensor 4 includes a case 4 equipped with a weight 4A.
B is attached to the planting device 2, and the case 4B is equipped with a switch 4C that is pressed by the weight 4A and turns ON when the planting device 2 rolls to the left or right side beyond the setting range, and a switch 4C to the left and right, etc. A switch 4C' is provided which is turned ON by being pressed by the weight 4A when the vehicle rolls sideways.

The drive mechanism 5 includes a pantograph 5B that rolls the planting device 2 relative to the traveling main machine 1 as the screw shaft 5A rotates forward and backward, and also controls switches 4C and 4C' of the sensor 4.
It is constructed by providing an electric motor 5C that rotates the screw shaft 5A in forward and reverse directions based on ON/OFF.

The switch mechanism 6 attaches a forward rotation switch 6a and a reverse rotation switch 6a' for the motor 5C at a location displaced from the rolling axis a of the planting device 2, and also connects the link mechanism 3 to a position displaced from the rolling axis a of the planting device 2.
When the planting device 2 is located in a rolling range relative to the link mechanism 3, both the switches 6a and 6a' are pressed and turned ON to enable driving of the motor 5C, and the planting is started. When the device 2 is located at one end of the rolling range as the motor 5C rotates forward, the pressure on the forward rotation switch 6a is released and only the forward rotation switch 6a is turned off. When only the normal rotation drive of the motor 5C is disabled and the planting device 2 is located at the other end of the rolling range as the motor 5C rotates in reverse,
By releasing the pressure on the reversing switch 6a' and turning off only this reversing switch 6a', the operating position where only the reversing drive of the motor 5C is disabled and the rolling posture of the planting device 2 are set. Both the switches 6a, 6 regardless
A switch press plate 6B is provided with an operating lever 6A that can be freely switched between a non-operating position and a non-operating position in which pressing a' is inoperable.

That is, the switch mechanism 6 described above includes a switch mechanism that can switch the drive device 5 between an operating state and a non-operating state by manually changing the position of the switch press plate 6B, and a switch mechanism that allows the planting device 2 to roll when the drive mechanism 5 is in the operating state. When positioned at the end of the range, the drive mechanism 5 is also configured to be an automatic switch mechanism that automatically switches the driving mechanism 5 to a state in which only the operation of rolling the planting device 2 further is disabled.

According to the configuration of the above embodiment, the switch pressing plate 6B
By switching the drive mechanism 5 to the non-operating position, even if the sensor switches 4C and 4C' are turned on, the drive mechanism 5
does not operate, and therefore, the rolling posture of the planting device 2 with respect to the main traveling machine 1 is fixed. On the other hand,
By switching the switch press plate 6B to the operating position, the drive mechanism 5 is automatically operated, and in this automatic operating state, when the planting device 2 is located at the end of the rolling range with respect to the traveling main machine 1, the sensor When the switch 4C or 4C' is turned ON, the drive device 5 is stopped in a state where the drive mechanism 5 is allowed to operate.

[Brief explanation of the drawing]

Figure 1 is a side view of the main parts, Figure 2 is a longitudinal rear view,
Figure 3 is an enlarged rear view of the main parts, Figure 4 is Figure 3-
FIG. 5 is an enlarged cross-sectional plan view of the main part showing a state in which the rolling control is stopped. 1... Traveling machine, 2... Planting device, 4... Sensor, 5... Drive mechanism, 6... Switch mechanism.

Claims (1)

[Scope of utility model registration request] A sensor 4 that detects the rolling attitude of the planting device 2 that is connected to the traveling body 1 so that it can roll freely.
and a drive mechanism 5 that automatically rolls the planting device 2 so that the detected attitude is maintained within a set range based on the detected attitude of the sensor 4, and this drive mechanism 5 is in an operating state. In a rice transplanter with a rolling control device that is provided with a switch mechanism 6 for switching to a non-operating state, when the planting device 2 is located at the end of the rolling range while the drive mechanism 5 is in the operating state, A rolling device characterized in that the switch mechanism 6 is configured to serve both as an automatic switch mechanism that disables further rolling of the planting device 2 and a switch mechanism that does not manually operate the drive mechanism 5. Rice transplanter with control device.