JPH033130Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an operating device for the planting section of a riding rice transplanter, and is applied to the field of rice transplanters, which are agricultural machines.

[Conventional technology]

Conventionally, in a riding rice transplanter, a planting section that can be raised and lowered by a hydraulic cylinder is connected to the rear of the machine, and streak markers are connected to both sides of the machine so that they can be raised and lowered. It has a structure in which the gears are changed, and the raising and lowering of the planting section and the raising and lowering of both streaking markers are controlled by separate control levers, making it difficult to perform complicated operations, especially when the machine turns during rice planting work. It had become a necessary structure.

[Problem that the invention attempts to solve]

The present invention uses a single operating lever to control the planting clutch, the auxiliary gear shift for driving during planting, and the like.
It is designed to allow the lowering of the planting section and the raising and lowering of both streak markers.Especially when turning the machine during rice planting work, these can be operated quickly and easily with a single operating lever, making the operation easier. It is possible to improve work efficiency without making mistakes in the procedure, and to provide a compact structure so that it can be carried out suitably.

[Means for solving problems]

The present invention is a riding rice transplanter in which streak marking markers 2a and 2b are connected to both sides of a planting section A which can be raised and lowered by a hydraulic cylinder 1 and connected to the rear of the machine, and which are connected to each other in a manner that can be raised and lowered. An operating lever 6 inserted into the guide groove 5 of the guide plate 4 arranged in the guide groove 5 is arranged so that the hydraulic cylinder 1 can be operated at one side of the guide groove 5, and the planting clutch can be operated at the other side, and the planting clutch can be operated at the other side. Equipped to allow auxiliary gear shift operation when traveling at hours,
Extending grooves 5a and 5b are formed on both sides of the guide groove 5 at the position where the sub-shift operation can be performed, and below both extending grooves 5a and 5b, when the operating lever 6 comes into contact, the above-mentioned streaking marker is formed. 2a, 2
Actuation links 7a, 7 capable of lowering b
b), respectively.

〔Example〕

The embodiment shown in FIGS. 1 to 5 will be described.

FIG. 2 shows a plan view of the entire riding rice transplanter, in which passenger car B has both front wheels 8 and both rear wheels 9, and a panel 11 at the rear of a bonnet 10 that is attached above the engine at the front of the machine so as to be openable and closable. There is a handle 12 above
The upper end of the fuel filler cap 14 of the fuel tank 13 disposed on the lower side of the panel 11 is installed on the panel 11 or extends to the rear lower part of the panel 11 as shown by the imaginary line in FIG. A cap 15 with a fuel gauge is detachably attached to the upper end of the handlebar 14, and a main gear shift lever 16 is disposed on the left side of the seat 3 attached to the rear of the handle 12. A hydraulic cylinder 1 is installed to raise and lower the planting part A connected to the plant.

The planting section A has floats 1 arranged in parallel at the bottom.
Each planting case 19 is installed on the upper side of 8, and a seedling mounting stand 21 that can freely reciprocate in the horizontal direction is installed diagonally above the seedling take-out plate 20 installed horizontally above the seedling take-out plate 2.
0 is equipped with planting claws 22 so that each seedling can be planted on the rice field while scraping the block seedlings, and support frames 23, 23 at the bottom of both sides of the seedling platform 21 are equipped with streak markers at the tips. 2a,
The bases of support rods 24, 24 each having a support rod 2b are rotatably pivoted, and both streak markers 2a, 2b are installed on both sides so that they can be raised and lowered, respectively, so that the structure is similar to the conventional structure.

A guide groove 5 through which the operating lever 6 is inserted is formed in the guide plate 4 on the right side of the seat 3 in the passenger car B. When the operating lever 6 is moved to the A position on one end of the guide groove 5, The hydraulic cylinder 1 can be operated to raise the planting part A, and when the operating lever 6 is moved to the B position near the A position, the hydraulic cylinder 1 can be operated to lower the planting part A. When the operating lever 6 is moved from the middle between the A and B positions to the C position in the extension groove 5c extending to the right side, the hydraulic cylinder 1 can be operated in a fixed state so that it does not expand or contract. By moving the operating lever 6 to the 2 position on the other side of the guide groove 5, which is close to the B position, and the E position on the other end side, the planting clutch can be operated, and the auxiliary gear for traveling during planting can be changed to low speed and high speed, respectively. Grooves 5a and 5b are provided so as to be operable and extend laterally from both sides of the guide groove 5 at the low speed position 2.
Configure by extending.

Further, both grooves 5 are provided below the extension grooves 5a and 5b.
Operating links 7a and 7b that can come into contact with the operating lever 6 that is to be placed in the H and H positions in a and 5b are installed, respectively.
a, 7b are pivoted to support shafts 25a, 25b, respectively, and tension springs 27a, 27b are connected to the other ends of both operating links 7a, 7b, respectively, to tension the links until one end abuts stoppers 26a, 26b. The other ends of both actuating links 7a, 7b are provided with the streak markers 2a, 2b by pulling.
An operation wire 28a that can lower the
28a are connected to each other, and the operation wires 28a,
When the pulling action of 28b is released, both the streak markers 2a and 2b are installed and constructed so as to automatically rise.

[Effect]

Therefore, when the operator sitting on the seat 3 operates one operating lever 6 and places it in each of the positions A, B, and C, the hydraulic cylinder 1 is actuated to raise or lower the planting section A. It can be fixed or operated, and when the operating lever 6 is placed in the N or E position, the planting clutch can be operated and the auxiliary gear for traveling during planting can be operated at low speed or high speed. When the operating lever 6 is inserted into the extending groove 5a or 5b, one of the operating links 7a and 7b is rotated by being pushed by the operating lever 6, as shown in a part of FIG. If one side of the marker 28b is drawn and it is on the left side, the left side streaking marker 2a will descend to the streaked state as shown by the imaginary line H.

In other words, each operation can be performed using one operating lever 6.

Note that the fuel tank 13 has a bonnet 1.
Even if the operator does not open the 0 and remains seated in the seat 3, refueling can be reliably and easily performed.

〔Example〕

FIGS. 6 and 7 show another embodiment, which is indicated by the same reference numerals and has a substantially similar structure to that of the embodiment described above, except that the extending grooves 5a and 5b are formed on both sides of the D and E positions, respectively. However, the operating links 7a, 7b are formed to be long so as to straddle both the extending grooves 5a, 5b, 5b, 5b, so that they can be operated in the same manner as described above.

FIGS. 8 to 10 show an embodiment of the fuel tank mounting structure, in which a cap 31 communicating with a refueling hose 30 is installed upward at the center of the lower surface of a container-shaped support 29 fixed to the inside of a bonnet 10 that can be opened and closed. A fuel filler port 34 to which a cap 33 is attached is formed in the upper part of the fuel tank 13a, which projects high above the support base 29 and can be locked by latches 32, 32 on both sides. A mouth portion 35 that can be fitted into the base 31 is formed on the bottom surface of the cap 13a in a raised manner, and a lid plate 36 that can also be joined to the base 31 is disposed above the mouth portion 35 in connection with the tension springs 37, 37. ,
As shown in FIG. 9, the fuel tank 13a can be installed in a refueling state, and as shown in FIG. 10, it can be removed to refuel the fuel tank 13a.

11 and 12 show other embodiments of the fuel tank mounting structure, which have substantially the same structure as the previous embodiment as indicated by the same reference numerals, but the fuel tank 13a is removed from the support base 29. If the first
As shown in FIG. 2, the oil supply threaded pipe 38 is screwed into the threaded pipe-shaped base 35 by turning it upside down, so that oil can be supplied from the threaded pipe 38.

[Effect of idea]

With one operating lever 6, it is possible to operate the planting clutch, the auxiliary gear for traveling during planting, the raising and lowering of the planting part A, and the lowering of both streak markers 2a and 2b. When turning the machine during rice transplanting work, a series of controls can be operated quickly and easily using a single control lever, making it possible to improve work efficiency without making mistakes in the operation procedure, and with a compact structure, it can be carried out conveniently. It has the features of being able to

[Brief explanation of the drawing]

Figure 1 is a plan view of the main parts of an embodiment of the present invention;
Fig. 2 is a plan view of the riding rice transplanter, Fig. 3 is a side view of the riding rice transplanter, Fig. 4 is a plan view of the lower part of Fig. 1, Fig. 5 is a sectional view of a part of Fig. 3, Fig. 6 is a plan view of another embodiment, Fig. 7 is a plan view of the lower part of Fig. 6, Fig. 8 is a side view of a part of the riding rice transplanter, and Fig. 9 shows the mounting structure of the fuel tank. 10 shows a part of FIG. 9, and FIG. 11 shows a sectional view of another embodiment, and FIG. 12 shows a part thereof. 1... Hydraulic cylinder, 2a, 2b... Streaking marker, 3... Seat, 4... Guide plate, 5...
...Guide groove, 6...Operation lever, 7a, 7b...
Working link.

Claims (1)

[Scope of utility model registration request] A guide installed near a seat 3 in a riding rice transplanter comprising streak markers 2a and 2b connected to both sides of a planting section A that can be raised and lowered by a hydraulic cylinder 1 and connected to the rear of the machine. An operating lever 6 inserted into the guide groove 5 of the plate 4 is arranged such that when it is positioned on one side of the guide groove 5, it can operate the hydraulic cylinder 1, and when it is positioned on the other side, it can operate the planting clutch and also serves as an auxiliary tool for traveling during planting. The guide groove 5 is installed so that the gear shift operation can be performed, and extending grooves 5a and 5b are formed on both sides of the guide groove 5 at the position where the auxiliary gear shifting operation can be performed. An operating device for a planting section, characterized in that it is configured by providing operating links 7a and 7b, respectively, which can lower the streaking markers 2a and 2b when the lever 6 comes into contact with them.