JPH0937617A - Inclination warning device for riding type rice transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable the automatic actuation of the warning device, when the whole machine body inclines, by interlocking the actuation with the lifting operation of the transplanting lever. SOLUTION: In this rice transplanter, the transplanting unit which is freely liftable by operating the transplanting lever 1 and can be locked when running on the road is connected to the rear of the main body. The transplanting unit is equipped with an inclination sensor which can detect the transverse inclination of the transplanting unit during the working to control the unit to keep horizontal. At this time, a microswitch which can discontinue the electric circuits for the warning device such as a warning buzzer and the inclination sensor is fixed to the machine frame. When the transplanting lever 1 is shifted to the neutral position N or to the lifting position P1 , the actuation arm 7 extends from the rotation axis to contact with the microswitch at its top face 7a to switch on the switch.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a passenger vehicle which is capable of detecting an inclination of the entire body of a vehicle by a horizontal control inclination sensor provided in the planting portion and driving an alarm when the planting portion is raised and traveling on a road. The present invention relates to a tilting alarm device for rice transplanters.

[0002]

2. Description of the Related Art Conventionally, a planting portion, which can be raised and lowered by operating a planting work lever and can be locked in a horizontal state when climbing when traveling on a road, is connected to the rear of the machine and is attached to the planting portion. In a riding rice transplanter configured by installing a horizontal control inclination sensor capable of detecting a lateral inclination of the planting portion during work and controlling the planting portion to be in a horizontal state, It is known that, as seen in No. 87977, when the vehicle travels on the road, the inclination sensor is switched to the alarm device side, and when the entire body is inclined, the alarm means can be activated to give an alarm.

[0003]

However, when traveling on the road, the inclination sensor must be switched to the alarm device side, which is troublesome and time-consuming, and if the switching is forgotten, the aircraft is about to fall. It is extremely dangerous because it cannot give an alarm even if it is tilted to.

[0004]

SUMMARY OF THE INVENTION The present invention solves such a problem and makes it possible to automatically and effectively operate the alarm device so that the alarm device can give an alarm when the planting part is raised. Therefore, a planting part, which can be raised and lowered by operating the planting work lever and locked in a horizontal state when climbing when traveling on the road, is connected to the rear of the machine, and the planting part is connected to the planting part when working. In a riding rice transplanter configured by deploying a horizontal control inclination sensor capable of detecting the lateral inclination of the planting part and controlling the planting part to be in a horizontal state,
In the vicinity of the outer periphery of the rotation fulcrum shaft of the planting work lever, a micro switch capable of connecting and disconnecting an alarm buzzer and other electric circuits of the tilt sensor is fixedly installed on the machine frame, and installed. When the attached work lever is operated to a raised neutral position or a raised position, an actuating arm is provided extending from the rotation fulcrum shaft so that the tip end surface comes into contact with the micro switch to be turned on.

[0005]

Therefore, when traveling on the road while raising the planting part and locking it in the horizontal state, the planting work lever is operated to the neutral position or the raised position. , The tip of the actuating arm that rotates together with the planting work lever comes into contact with the micro switch to switch it on, and the horizontal control sensor detects the tilt of the entire machine body so that the alarm can be activated. It can be automatically and effectively operated by the attached work lever.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a side view of a riding rice transplanter. Behind the machine A equipped with both front wheels 8, both rear wheels 9, a handle 10, a seat 11, etc. A main gearbox provided on the left and right sides of the seat 11 is formed by connecting a planting part B equipped with a plurality of rotary type planting claws 13, a plurality of floats 14 and the like via a link mechanism 16 so as to be able to move up and down by a hydraulic cylinder 15. The planting work lever 1 which is also a main shift lever 19 and an auxiliary shift lever is fitted into the operation groove 17 and the planting work operation groove 18, and the planting work operation groove 18 is
As shown in FIG. 4, the low speed and high speed positions of the auxiliary shift operation are located in the front part, the disengagement position of the planting clutch operation is located in the middle part, and the planting part raising and lowering operation that operates the hydraulic cylinder 15 is located in the rear part. The positions of the descending P ₂ and the rising neutral N and the rising P ₁ are set respectively, and the lateral inclination of the planting part B is detected during the operation of the planting part B so that the planting part B is in a horizontal state. A horizontal control inclination sensor 2 that can be controlled to be provided is provided, and the planting portion B is locked in a horizontal state when the vehicle is lifted during traveling on the road.

In the lower direction of the planting work operation groove 18, there are operating arms 20a, 20b, 20c for performing a sub-shift, a planting clutch, and a planting part raising / lowering operation. Is mounted on the rotating fulcrum shaft 3 and
The lower part of the planting work lever 1 is connected to the upper part of a lever mounting arm 21 extending from the outer periphery of the switch, and the switch above the machine frame 6 is placed in the upward direction near the outer periphery of the rotation fulcrum shaft 3. The micro switch 5 is erected between the mounting piece 6a and the support piece 22 and is fixed by inserting and attaching both mounting screws 23 to them. The cord 24 extending from the micro switch 5 is shown in FIG. As shown in FIG.
An alarm buzzer or alarm light 4 installed near the
The horizontal control tilt sensor 2 and the battery 25 are connected to an electric circuit so that the alarm device 4 is activated when the micro switch 5 is switched on and the tilt sensor 2 detects the tilt posture of the entire body. .

Further, when the planting work lever 1 is operated to the raised neutral N position or the raised P ₁ position, the tip surface 7a which is bent and formed on the arcuate outer peripheral surface has a switch piece of the microswitch 5. A base portion of the actuating arm 7 that can be turned on by making contact with 5a is fixed to the outer peripheral surface of the rotation fulcrum shaft 3.

Therefore, the planting work lever 1 is lowered P ₂
When the planting part B is lowered by operating to the position of, the tip surface 7a of the operating arm 7 is separated from the switch piece 5a of the micro switch 5 and is switched off as shown in FIG.
When the planting part B is tilted in the lateral direction during the planting work, the tilt sensor 2 detects the tilt and the planting part B is the same as the conventional type.
Can be controlled to be horizontal.

When the planting work lever 1 is moved to the neutral N position or the raised P ₁ position to raise the planting part B, the transmission arm 7 is shown by a solid line or an imaginary line as shown in FIG. Thus, the tip surface 7a of the actuating arm 7 comes into contact with the switch piece 5a of the micro switch 5 to switch it on, and the planting portion B is locked in the horizontal state as in the conventional type. When the entire body tilts laterally during traveling, the tilt sensor 2 detects the tilt and activates the alarm device 4 to warn the driver.

[0011]

As described above, according to the present invention, when traveling on the road while the planting portion B is raised and locked in the horizontal state,
The planting work lever 1 is operated to the ascending neutral N position or the ascending P ₁ position. When operated in such a manner, the tip end surface 7a of the transmission arm 7 which rotates together with the planting work lever 1 causes the microswitch 5 to move. When the horizontal control sensor 2 detects the inclination of the entire machine body and the alarm device 4 can give an alarm, the planting work lever 1 is automatically operated. As a safety device that can prevent the passenger rice transplanter from tilting sideways and toppling over while traveling on the road by the alarm device 4, it can be effectively prevented. It has a feature that it can be suitably implemented with a simple structure in which only the microswitch 5 and the operating arm 7 are mounted around the axis of 3.

[Brief description of drawings]

FIG. 1 is a side view showing a riding rice transplanter.

FIG. 2 is a plan view schematically showing a part of FIG.

FIG. 3 is a side view showing a main part of the embodiment of the present invention.

FIG. 4 is a plan view showing a part of FIG. 2 in an enlarged manner.

FIG. 5 is an electric circuit diagram showing a main part of the embodiment of the present invention.

FIG. 6 is an exploded perspective view of a main part of the embodiment of the present invention.

7 is an operation explanatory view showing an operation state of FIG.

[Explanation of symbols]

 1 Work lever with planting A Machine B Planting part 2 Inclination sensor for horizontal control 3 Rotating fulcrum shaft 4 Alarm device 5 Micro switch 6 Machine frame 7 Working arm 7a Tip surface

Claims (1)

[Claims] 1. A planting section B, which can be lifted up and down by operating a planting work lever 1 and locked in a horizontal state when climbing when traveling on a road, is connected to the rear of the machine A, and the planting section is provided. In the riding rice transplanter configured by installing a horizontal control inclination sensor 2 in B, which can detect the lateral inclination of the planting section B during operation and control the planting section B to be in a horizontal state. An alarm device 4 such as an alarm buzzer and the inclination sensor 2 are provided in the vicinity of the outer circumference of the pivotal fulcrum shaft 3 of the planting work lever 1.
A micro switch 5 capable of connecting and disconnecting the electric circuit of is fixedly installed on the machine frame 6, and when the planting work lever 1 is operated to the raised neutral N position or the raised P ₁ position, the tip surface 7a is moved to the micro position. The operation arm 7 that can be turned on by contacting the switch 5 is provided with the rotation fulcrum shaft 3
A tilt warning device characterized by being constructed by extending from.