JPS6345153Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to the structure of a walking type rice transplanter such as a one-wheel type or a two-wheel type, and more specifically, a pair of left and right side frames are connected in order to increase the rigidity of the machine body and reduce the weight. A gate-shaped frame is erected and a spare seedling stand is fixed to the gate-shaped frame, so that seedling planting work can be carried out stably and the work of replenishing seedling pine can be easily performed.

The present invention will be explained based on the embodiment shown in the drawings below. In the drawing, 1 is a body frame of a rice transplanter;
The vehicle body frame 1 includes a transmission case 3 on which an engine 2 is attached, and a pair of left and right hollow side frames 4 and 5 extending rearward from both left and right ends of the transmission case 3.
The transmission case 3 is configured in a U-shape in plan view.
The front end of a swing case 6 extending rearward is rotatably connected between the side frames 4 and 5, and a running wheel 7 located on the center line of the vehicle body frame 1 is provided at the tip of the swing case 6. The running wheels 7 are rotationally driven by the engine 2 from the transmission case 3 via a chain (not shown) in the swing case 6.

Seedling planting cases 8 and 9 are fixed to the rear ends of both side frames 4 and 5, respectively, and a gate-shaped frame 10 made of a downward U-shaped pipe is connected between the two seedling planting cases 8 and 9. On the other hand, the wheels 7 are moved upwardly relative to the body frame 1 by a manual or automatic wheel lifting device (not shown), so that the entire rice transplanter can be moved up and down.

Reference numerals 11 and 12 indicate a pair of left and right operating handles that extend rearward from the seedling planting cases 8 and 9, and the operating handles 11 and 12 are bent in an upwardly inclined rearward shape, and the upper surface of the inclined portion has a , both handles 1
A rear-tilting seedling stand 15 is provided between the transmission case 1 and 12 and is supported movably in the left and right lateral directions by a guide rail 13 and an upper rail mechanism 14 mounted horizontally and laterally. Seedling planting mechanisms 16, 17 are attached to the seedling planting cases 8, 9 from 3 through transmission shafts (not shown) in both side frames 4, 5.
While vertically swinging the transmission case 1, the transmission case 1, which is upside down in side view, moves between the drive shaft in one of the seedling planting cases 8 and the transverse feed mechanism 18 arranged on the back side of the seedling platform 15.
The seedling planting mechanisms 16 and 1 are connected by the transmission mechanism in 9.
The seedling stand 15 is configured to move horizontally one pitch at a time in synchronization with the vertical swinging of the seedling table 7.

Further, 20, 21 are on both sides of the wheel 7, and both side frames 4, 5 and both seedling planting cases 8,
Showing a pair of left and right floats located at the bottom of 9,
The floats 20 and 21 have their rear parts attached to the bases of the handles 11 and 12 via planting depth adjustment rods 22, and their front ends are attached to side walls projecting horizontally outward from the side frames 4 and 5, respectively. It is attached to a marker support shaft 23 via a link 24 so as to be vertically movable.

Furthermore, the upper end horizontal member 10' of the gate-shaped frame 10 has left and right side plates 25'', 25'' bent downward parallel to each other from the left and right sides of the top plate 25'. The rear part of the cover body 25 is rotatably pivoted so that the front part of the cover body 25 can move up and down.
5'', 25'', top plate 25', etc. are configured to integrally cover the upper parts of the wheels 7, engine 2, etc.

Reference numeral 26 denotes a spare seedling stand on which a box 27 having width b and length l for storing spare seedling pine is placed, and is composed of a pair of left and right front and rear longitudinal frames 28, 28. The front and back direction of the frame body 28 is connected to the cover body 2.
Each frame 28 is arranged parallel to the left and right side plates 25'', 25'' of
The rear base end of the frame body 28 is fixed to the upper horizontal member 10' of the portal frame 10 via a bracket or the like, and each frame body 28 connects the front part of the longitudinal longitudinal bar to the left and right side plates 25'' of the cover body. , 25'' (in an inverted V-shape expanding forward when viewed from the operating handle part), and each front end thereof is bent upward to form a front locking part 29, and on the other hand, each frame 2
The rear end of 8 is also bent upward to form a rear locking portion 30.

In this configuration, if seedling mats are supplied onto the seedling platform 15 and the wheels 7 and the seedling planting mechanisms 16 and 17 are driven by starting the engine 2, the rice transplanter will
While the seedling platform 15 is moved forward by the horizontal feeding mechanism 18, the seedling pine on the seedling platform 15 is divided into individual plants by the vertically swinging seedling planting mechanisms 16 and 17. After the ground has been leveled in advance using the leveling sections of the floats 20 and 21, the seeds are planted in two rows in sequence on the field.

Prior to this seedling planting work, the box body 27 in which the preliminary seedling mats have been rolled or otherwise stored is oriented so that its width (narrow width) part is perpendicular to the direction of movement of the aircraft. When placed on the preliminary seedling stand 26 consisting of frames 28, 28 (see the two-dot chain line in FIGS. 1 and 2), the pair of left and right rear locking portions 3
While the rearward movement of the box body 27 is restricted by the front surface of the box body 27, the left and right movement of the box body 27 can be restricted by the side surfaces of the pair of left and right front locking parts 29, 29, and in the event of forward sliding movement, Since the rear side wall of the seedling box body 27 is hooked to the rear locking parts 30, 30, the box body 27 will not fall off, and if there are no seedlings on the seedling platform 15, you can immediately reach out from the control section and Moreover, seedling pine can be easily replenished. Furthermore, the box body 27 can be housed in the left and right center in the direction of movement of the aircraft, and especially in the case of a single wheel type, there is no deviation in the center of gravity in the left and right direction, and it is easy to see the seedling planting mechanisms 16, 17 and side markers 23, 23 on both the left and right sides. It is. Similarly, as shown by the dashed line in FIGS. 1 and 2, the box 27 can be placed on the preliminary seedling stand 26 so that its width (narrow width) is parallel to the direction of movement of the aircraft. When the front and rear locking portions 29, 30, 2
9 and 30 can restrict movement in the front and rear directions. Further, simply by removing the box body 27, the cover body 25 can be immediately rotated upward without removing or changing the position of the spare seedling stand, making it easy to repair and inspect the engine section, etc.

In summary, according to the present invention, a gate-shaped frame is erected to increase the rigidity of the body frame so as to connect the pair of left and right side frames of a walking rice transplanter, and a spare seedling stand is fixed to this gate-shaped frame. Therefore, no separate member is required for installing a spare seedling stand, and the weight of the rice transplanter does not increase. Since the spare seedling stand can be provided near the seedling stand and near the center of the machine body in the left-right direction, it has the advantage of good running stability and easy replenishment of seedling mats. Note that this spare seedling stand can also be applied to a two-wheel type in which wheels are attached to the left and right outer sides of both side frames.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 is a side view of a rice transplanter, and FIG. 2 is a plan view. 1...Vehicle frame, 2...Engine, 4,5
... Side frame, 7 ... Wheel, 8, 9 ... Planting part case, 10 ... Gate-shaped frame, 11, 12
... Handle, 15 ... Seedling stand, 26 ... Spare seedling stand, 27 ... Box body, 28, 28 ... Frame body, 29,
29... Front locking part, 30, 30... Rear locking part.

Claims (1)

[Scope of utility model registration request] In a rice transplanter in which a seedling stand and a control handle are arranged at the rear of a pair of left and right side frames of a vehicle body frame with an engine mounted on the front and wheels, a gate-shaped frame is erected on both side frames. The walk-behind rice transplanter has a preliminary seedling stand made up of longitudinal frames at the front and rear fixed to the gate-shaped frame.