JPH085907Y2 - Passenger paddy work machine steps - Google Patents

Description

[Detailed Description of the Invention] (a) Field of Industrial Use The present invention relates to steps in a riding seedling planting machine, a riding fertilizer applying machine, and other riding type paddy working machines.

(B) Conventional technology Conventionally, the inside of the auxiliary step is hinged to the rear part of the driving step, and when the auxiliary step is used, the auxiliary step is rotated 180 degrees around the axial center in the front-rear direction to project outward and work steps. However, when not in use, a riding paddy working machine is already known, which is rotated toward the center of the machine width to have a storage posture that overlaps on the operation step.

(C) Problems to be solved by the invention The known paddy paddy working machine can be used only in the working step, and when not used, a step is formed due to polymerization on the operating step, There were problems such as getting in the way.

(D) Means for Solving Problems The present invention provides an operation panel at the front of the driving step,
In the paddy riding work machine in which a seat is arranged at the rear and the driving steps are extended to the side of the driver's seat, and a working machine is connected to the rear of the driver's seat, outside the driving step,
When the auxiliary step is rotated forward, it becomes the driving step, and when it is rotated backward, it is pivotally attached so as to project outward as a work step, or an operation panel is provided at the front of the driving step and a seat is arranged at the rear. In the paddy working machine in which the operating step is extended to the side of the driver's seat and the working machine is connected to the rear of the driver's seat, the outside of the front part of the operating step and the outline of the auxiliary step are provided. Equivalent cutouts are provided, and the corners of the auxiliary steps are housed in the outside of the rear end of the cutouts of the operation step, and the outsides of the auxiliary steps and the operation step are substantially continuous in the front-rear direction and used. The above-mentioned problems were solved by pivotally attaching the fulcrum shaft in the vertical direction so as to project outward while being along the front part of the working machine in the posture.

(E) Action When performing work such as planting, sowing, or fertilizing,
When the auxiliary step is rotated forward and coupled to the driving step, it becomes a driving step, and when the auxiliary step is rotated backward and coupled to the driving step, it becomes a working step.

(F) Embodiment An embodiment of the present invention will be described with reference to the riding rice transplanter shown in the drawings. The mission case 5 and the engine 6 are mounted on the front part of the machine base 3 having the front wheels 1,1 and the rear wheels 2,2. The operation step 7 is attached to the upper surface of the underframe fixed on the machine base 3, and the operation panel 8, the speed change lever 9 and the steering handle 10 are provided in front of the operation step 7.
And the like, and a driver's seat 11 is disposed in the rear part, and both sides of the driving step 7 are extended rearward to a portion corresponding to the driver's seat 11.

12 is a planting device, which connects a plurality of planter transmission cases 14 ... On both sides of the main transmission case 13 and attaches floats 15 ... to the bottom of those planter transmission cases 14.
The rear part is equipped with a pair of planting bodies 16 ... And the rising part of the main transmission case 13 is equipped with a laterally reciprocating seedling mounting table 17.
A top link 18 and a pair of left and right lower links 19 are connected to the machine base 3 so as to be able to move up and down.

Reference numeral 20 denotes an auxiliary seedling stand, which is attached to the upper ends of a pair of left and right supporting members 21, and the lower part of the supporting member 21 is attached to brackets 22 and 23 standing on both sides of the rear part of the machine base 3 by parallel links 25 respectively. The lower end of the link 26 whose upper end is connected to the middle of the link 25a below the front end of the link 25a.
The plate 28 connected to the rear end of the horizontal link 27 connected to 22 and connecting the left and right horizontal links 27, 27 is the lower link 1
Since it faces above 9,19, when the planting device 12 is moved up and down largely, the auxiliary seedling stand 20 is moved up and down by the lower links 19, 19 while maintaining a substantially constant supporting posture.

29 is a scraper, downward guide U-shaped guide 30 fixed to the front and rear of the lower surface, is slidably fitted to a pair of front and rear rails 30a which is fixed to the upper surface of the auxiliary seedling stand 20 and spans the entire width. ing.

31 is a scraper storage case with an open top,
As shown in FIG. 2, the auxiliary seedling stand 20 is detachably attached to the front part on the left and right sides, and after the seedlings on the scraper 29 are supplied to the seedling stand 17, the scraper 29 is attached to the scraper storage case 31.
Can be easily stored in the work flow,
Since the scraper storage case 31 is directly attached to the auxiliary seedling stand 20, the storage operation can be easily performed even when the auxiliary seedling stand 20 is moved up and down. The scraper storage case 31 can be attached and detached according to the work. 32 is a rear side step and 33 is a front side step.

Then, as shown in FIG. 3, the auxiliary step 35 has upper bearings A, B, and C at the outer front corners and the inner front and rear corners, respectively, in a state where the work posture is set, The edges project in a trapezoidal shape.

In addition, the front side portions of both sides of the operation step 7 are configured with the auxiliary step 35 as a symmetrical cutout portion 36, and the protrusion 7a formed by the cutout portion 36 has a corner portion on the outside front and rear thereof. And lower bearings a, b, and c overlapping with the lower surface of the upper bearings A, B, and C are fixed to the inner front corners, and the upper bearing A and the lower bearing a are horizontally rotated by the fulcrum shaft 37. Freely pivot and rotate backward to step auxiliary step 35 to work position
When superposed on the outer edge of 7a, the upper bearing C coincides with the lower bearing c. Therefore, by inserting the connecting pin 38 into them and fixing them with a split pin or the like, as shown by the solid line in FIG. 3, and shown in FIG. As shown by the chain line, the auxiliary step 35 is performed by the seedling mount 17 and the auxiliary seedling mount 20
It is possible to have a posture in which it protrudes outward in the front of.

When the connecting pin 38 is pulled out and the auxiliary step 35 is horizontally rotated 180 degrees forward to fit into the notch 36, the upper bearing B is superposed on the lower bearing b. The pins 38 are fitted and fixed to them. In this state, since the auxiliary step 35 and the operation step 7 are in series, the auxiliary step 35 can be used as a part of the operation step 7.

During planting work, if the top link 18 is pushed up by the hydraulic cylinder to raise the planting device 12 to rotate the machine, the plate 28 is pushed up in the middle of the raising process, so the upper end of the seedling stand 17 assists. It does not collide with the seedling stand 20. In addition, when the number of seedlings on the seedling placing table 17 is low during the work, the planting device 12 is raised to bring the seedling placing table 17 closer to the auxiliary seedling table 20,
The auxiliary step 35 is projected outward as shown by the chain line in FIG. 2 and the connecting pin 38 is inserted into the upper and lower bearings C and c to be fixed, and to the middle portion of the seedling stand 17, Standing on the projecting portion 7a of the operation step 7 or the rear side step 32, the scraper 29 is supplied to the seedling stand 17, and for the outer side, the auxiliary step 35 is held and the scraper 29 is held. The seedlings are supplied to the front side of the seedling mounting table 17, and the scraper 29 that has become empty is inserted into the scraper storage case 31.

When the seedling supply is completed, the connecting pin 38 is pulled out, the auxiliary step 35 is horizontally rotated 180 degrees forward to fit into the notch 36, and the connecting pin 38 is inserted into the upper and lower bearings B and b. When it is stopped by this, the auxiliary step 35 becomes an operation step.

(G) Effect of the invention Since the invention is constructed as described above, the auxiliary step 35
By projecting outwardly, it is possible to easily replenish the preliminary seedlings even for a wide seedling mounting table 17, and during operation, the auxiliary step 35 is rotated forward to accommodate the operation step. It can be enlarged, and in this state, the auxiliary step 35 does not overlap with the driving step 7 and does not cause a walking obstacle for the driver as in the conventional case.

[Brief description of drawings]

The drawings show one embodiment of the present invention. FIG. 1 is a side view of a riding rice transplanter, FIG. 2 is a plan view of the same as above, and FIG. 3 is a perspective view of a main part. 7 ... Operation step, 7a ... Projection part, 8 ... Operation panel, 11 ... Driver's seat, 12 ... Planting device, 17 ... Seedling stand, 20
…… Auxiliary seedling stand, 29 …… Scraper, 35 …… Auxiliary step, 36 …… Notch part, 37 …… Support shaft, 38 …… Coupling pin

Claims (2)

[Scope of utility model registration request] 1. An operating panel 8 is provided in a front portion of a driving step 7, a seat is provided in a rear portion thereof, and the operating step 7 is performed.
In the passenger paddy working machine in which the vehicle is extended to the side of the driver's seat 11 and the working machine is connected to the rear of the driver's seat 11, turning the auxiliary step 35 to the outside of the operating step 7 makes the operating step forward. , The step of the riding paddy working machine, which is pivotally attached so as to project outward as a working step when it is rotated backward. 2. An operating panel 8 is provided at the front part of the operating step 7, a seat 11 is provided at the rear part thereof, and the operating step 7 is carried out.
In the passenger paddy working machine in which the working machine is connected to the rear side of the driver's seat 11, the notch being substantially outside of the front part of the driving step 7 and having an outer shape substantially equal to that of the auxiliary step 35. And a corner portion of the auxiliary step 35 is accommodated in the outer side of the rear end of the cutout portion 36 of the operation step 7 in a retracted posture so that the outside of the auxiliary step 35 and the operation step 7 is substantially continuous in the front-rear direction. The step of the riding paddy working machine is characterized in that it is pivotally attached by a vertical fulcrum shaft so as to protrude outward while following the front part of the working machine in the use posture.