JPH0611411U - Rice transplanter planting device - Google Patents

Abstract

(57) [Summary] [Purpose] The purpose is to safely stop the planting claws before and after mounting on the rotary case and prevent the planting claws on the front side from falling off. [Structure] In a device in which a planting claw (17) is attached to a rotary case (21) that is rotated at a constant speed in one direction via a claw case (22), the rotary case (21) is centered around this rotation axis. Symmetrically arranged front planting claws (1
The planting case (20) is configured such that 7) can be stopped at least above the paddy field, and the rear planting claw (17) can be stopped at a position higher than the height of the planted seedling, and a rotary case (21) is installed. The planting claw (17) is configured to stop so that the tip of the planting claw (17) is above the bottom surface of the plant, and is further stopped after cutting the seedlings on the seedling mounting table (16) to the rice field. The front planting claws (17) are sandwiched by the seedling take-out guides (56) from both sides.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a planting device for a rice transplanter, which is equipped with a seedling placing table that reciprocates left and right and a planting claw for taking out one seedling of the seedling from the seedling placing table and planting the seedlings continuously.

[0002]

[Prior art]

 Conventionally, as disclosed in Japanese Patent Laid-Open No. 60-199309, a technology has been developed in which a rotary case that rotates at a constant speed in one direction is provided, and planting claws are arranged symmetrically around the rotary shaft center of the rotary case. .

[0003]

[Problems to be solved by the device]

 In the above-mentioned conventional technology, by stopping the front planting claw between the seedling cutting and the rice field, the interference between the planting claw and the rice field can be prevented. It is easy to fall off, and by stopping the front planting claw before cutting off the seedlings, the rear planting claw stop position is extremely low, and the rear planting claw easily collides with ridges and is easily damaged. There was a problem such as.

[0004]

[Means for Solving the Problems]

 Therefore, in the present invention, in a device in which a planting claw is attached to a rotary case that rotates in one direction at a constant speed through a claw case, a front planting that is symmetrically arranged about the rotary shaft center is provided in the rotary case. The claws can be stopped at least above the paddy field, and the rear planting claws can be stopped at a position higher than the height of the planted seedlings, and the tip of the planting claw is above the bottom of the planting case in which the rotary case is installed. It is configured to stop the planting claws so that the planting claws are stopped, and the front planting claws that are stopped between the cutting of the seedling mounting table and the surface of the seedling are sandwiched from both sides by the seedling removal guides. Thus, at the end of the planting process, it is possible to prevent the front planting claws from rushing into the soil and disturbing the rice field, and by stopping the rear planting claws above the planted seedlings, the final planted seedlings can be removed. Planted claw or claw case to attach it The planting work can be completed more safely than before, planting work can be completed more safely than before, and the occurrence of stumps due to lodging and floating of planted seedlings can be reduced. Since it stops at the top, even if foreign matter collides with the bottom surface of the planting part and the float is damaged, the planting case can protect the planting claws, reducing the damage area in the event of an accident and simplifying repairs. This can be easily achieved, and the seedling removal guide can prevent the seedlings from dropping off the planting nails in front of the plant when the plant is stopped, thus eliminating the occurrence of stunts when planting is restarted.

[0005]

【Example】

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Fig. 1 is a side view of the planting section, Fig. 2 is a side view of the riding rice transplanter, and Fig. 3 is a plan view of the same. In Fig. 1, (1) is a traveling vehicle on which an operator rides, and an engine (2) is installed. The rear end of the body frame (3) to be mounted is connected to the mission case (4), and the front wheels (6) for traveling the paddy field are supported on both sides of the front part of the mission case (4) through the front axle cases (5). At the same time, a transmission case (7), which is an axle case, is continuously provided on both sides of a rear portion of the transmission case (4), and a rear wheel (8) for traveling a paddy field is supported at a rear end portion of the transmission case (7). A spare seedling stand (10) is attached to the outside of both sides of the bonnet (9) that covers the engine (2), and the transmission case (7) and the like are attached by a vehicle body cover (12) forming a step (11). A driver's seat (13) is attached to the upper part of the vehicle body cover (12), and a steering handle (14) is provided in front of the driver's seat (13) at the rear of the hood (9).

Further, (15) in the figure is a planting part having a seedling mounting table (16) for multi-row planting, a plurality of planting claws (17), etc. The seedling mounting table (16) is supported on the planting case (20) via the guide rail (18) and the guide rail (19) so as to be slidable left and right, and as shown in FIG. A rotary case (21) that rotates at high speed is arranged in the planted case (20) symmetrically with respect to the axis of the rotary shaft, and the claw cases (22) and (22) are arranged in the claw case (22). 17) Install. Further, a supporting frame (24) is provided on the front side of the planting case (20) through a center pin (23), and a three-point link mechanism (27) including a top link (25) and a lower link (26) is provided. The front and rear wheels (6) are provided with an elevating cylinder (28) for connecting a support frame (24) to the rear side of the traveling vehicle (1) and elevating the planting part (15) through the link mechanism (27). (8) is driven to move at a substantially constant speed, and at the same time, the seedlings for one plant are taken out by the planting claws (17) from the seedling table (16) that slides back and forth from side to side, and rice planting work is continuously performed. Configure to do.

Further, in the figure, (29) is a traveling speed change lever, (30) is a planting lift lever, (31) is a planting sensitivity adjusting lever, (32) is a traveling clutch pedal, and (33) and (33) are left and right brakes. The pedals (34) ... are floats for flattening the field, and support the floats (34) ... under the planting case (20) via a planting depth adjusting link (35) and the like.

Further, as shown in FIG. 5, the rotary case (21) is inserted into the rotary case (21) via the claw cases (22) (22) with respect to the seedling taking-out port (37) of the seedling taking-out plate (36) provided at the lower end of the seedling placing table (16). ), The two planting claws (17) (17) are alternately moved, and two planting claws (17) (17) plant two seedlings with one rotation of the rotary case (21). It is configured to be attached.

Next, as shown in FIGS. 6 and 7, a planting claw drive shaft (38) is rotatably supported at the rear end of the planting case (20), and a rotary case is provided at both ends of the drive shaft (38). (21) (21) is fixed symmetrically, and a sprocket (40) for suspending the planting claw drive chain (39) is supported by an idle shaft in the middle of the drive shaft (38) to provide an upper stop mechanism. The sprocket (40) is interlocked with the drive shaft (38) through a unit clutch (42) having an upper stop cam (41). The clutch shaft (44) is rotated by rotating the clutch lever (43). ) Eccentric pin (45) engages with the trough of the cam (41), and the rotation of the cam (41) separates the clutch pawl on the side of the cam (41) from the clutch pawl of the sprocket (40), and Cut (42) On the other hand, when the rotary case (21) is half-turned and the unit clutch (42) can be disengaged by the cam (41), the valley portion of the cam (41) engaged with the eccentric pin (45) is 180 degrees. It is provided at two positions at intervals, and is configured to form two stop positions during one rotation of the rotary case (21).

A sun gear (46) is loosely fitted to the planting pawl drive shaft (38), and the sun gear (46) is freely phase-adjustable to the planting case (20) via a phase adjusting lever (47). It is fixed and has an idle gear (48) and a planetary gear (49) having the same number of teeth as the sun gear (46). The idle gear (48) is supported through the intermediate shaft (50), and the planetary gear (49) is supported through the claw case shaft (51) fixed to the claw case (22) inside the rotary case (21). At the same time, the gears (46), (48) and (49) are eccentrically supported by the shafts (38), (50) and (51), and the sun gear (46) has an idle gear (48) (). The planetary gears (49) and (49) are constantly meshed with each other via the 48), the sun gear (46) is fixedly supported on the planting case (20), and the rotary case is mounted via the planting claw drive shaft (38). (21) is rotated at a constant speed to alternately move the planting claws (17) (17) at both ends of the rotary case (21) to the seedling take-out port (37) at the lower end of the slope of the seedling mounting table (16), and at the same time, Interlocked with the rotation of the rotary case (21) The claw case shaft (51) is rotated at a non-constant speed via the gears (46) (48) (49) to rotate the rotary case (21) between the seedling cutting of the seedling placing table (16) and the rice field. The rotation of the nail case shaft (51) is faster than the rotation of the nail case, and the nail case shaft (51) is rotated more than the rotation of the rotary case (21) after the seedling is planted on the rice field until the seedling take-out port (37). The rotation of the rotary case (21) and the rotation of the nail case shaft (51) near the seedling take-out port (37) and the rice paddy planting section are made substantially equal to each other so that the planting claws (17) have a rotary locus. The case (21) is formed so as to have a vertically elongated oval shape.

Further, one end of the cam shaft (53) is rotatably and fixedly fixed to the rotary case (21) through a position adjusting lever (52), and the cam shaft (53) is loosely fitted to the pawl case shaft (51). The cam shaft (53) is connected via the push arm (55) to the push rod (54) which penetrates the middle and is connected to the push-out claw (17a) for forced planting, so that the planting claw (17) is The push rod (54) is advanced through the cam shaft (53) and the push arm (55) when it plunges into the soil, and the seedling that has crushed the planting nail (17) by the pushing nail (17a) is put into the soil. It is configured to extrude.

Further, as shown in FIG. 1, a flexible and elastic seedling take-out guide (56) having an upper end fixed and a lower end extending downward is provided on both sides of the seedling take-out port (37), and a rotary case (21) is provided. ) Drive the planting claw so that one planting claw (17) provided at both ends is stopped inside the seedling take-out guide (56) and the other planting claw (17) is stopped above the float (34). The rotary case (21) mounting angle with respect to the shaft (38) and the unit clutch (42) disengagement timing of the upper stop cam (41) are set and adjusted, respectively, and stopped between the seedling cutting and the paddy field. The planting claws (17) in front of the planting claws (17) are sandwiched from both sides by the seedling removal guides (56) to hold the seedlings of the planting claws (17) while planting on the way from the paddy field to the seedling removal port (37). Attached claw (17) and claw The lower side of the base (22) and the lower side of the rotary case (21) are located above the upper end of the seedling (57), and the planting claw (17) or the claw case (22) on the rear side of the aircraft is the final planted seedling. In the device in which the planting claw is attached to the rotary case (21) which is rotated at a constant speed in one direction through the claw case (22), the rotary case (21) is provided with this rotary shaft core. The front planting claws (17), which are symmetrically arranged around the plant, can be stopped at least above the paddy field, and the rear planting claws (17) can be stopped at a position higher than the planted plant height. The planting claw (17) is stopped so that the tip of the planting claw (17) is above the bottom surface of the planting case (20) in which the case (21) is installed.

This embodiment is configured as described above, and the rotary case (21) is continuously rotated at a constant speed in one direction in the longitudinal direction of the machine body about this by the planting claw drive shaft (38). As a result, the nail case shaft (51) rotates at an unequal speed via the gears (46) (48) (49), and the planting nail (17) is placed in the seedling cutting posture before the seedling take-out port (37). In addition, the planting claws (17) are shifted to the planting posture in a rushed state on the rice field, and one seedling is planted by half the rotation of the rotary case (21), which is planted via the clutch lever (43). By performing the attachment stop operation, the eccentric pin (45) contacts the upper stop cam (41) to disconnect the unit clutch (42), and the front side planting pawl (17) is floated (see FIG. 1). 34) Stop in the upper seedling pick-up guide (56), and insert the planting claw (17) The seedling removal guide (56) prevents the seedlings that are being cut and held from falling out, eliminating the occurrence of stunting when re-planting is resumed, and the rear side planting claw (17) is placed above the float (34) for the last planted seedling ( 57) Stop at a position higher than the upper end to prevent the planting claws (17) from plunging into the rice field and disturbing the rice field, and also to ensure that the cut seedlings are retained by the planting claws (17). In addition, the planted nail (17) or the nail case (22) is prevented from coming into contact with an already planted seedling and causing it to fall.

[0014]

[Effect of device]

 As is apparent from the above-described embodiments, the present invention provides a rotary case (21) that is rotated in one direction at a constant speed, in which a planting pawl (17) is attached via a pawl case (22) to the rotary case. The front planting claws (17), which are symmetrically arranged around this rotation axis in (21), are located at least above the rice field, and the rear planting claws (17) are located at a position higher than the planted height. It is configured so that it can be stopped and the planting claw (17) is stopped so that the tip of the planting claw (17) is above the bottom surface of the planting case (20) in which the rotary case (21) is installed. In addition, the planting claws (17) in front of the seedling mounting table (16), which were stopped between cutting the seedlings and reaching the paddy field, were configured to be sandwiched by the seedling removal guides (56) from both sides. At the end of the planting process, the front planting claws (17) project into the soil. It can prevent the paddy field from disturbing and the rear planting claw (17) is stopped above the planted seedling (57) so that the final planted seedling (57) is planted claw (17) or this. It is possible to prevent the nail case (22) to be attached from pushing it down, it is possible to finish the planting work more safely than before, and it is possible to reduce the occurrence of stunts due to lodging and floating of the already planted seedlings (57). Moreover, since the tip of the planting claw (17) is stopped above the bottom of the planting case (20), even if the float (34) is damaged by a foreign object colliding with the lower surface of the planting part (15), the planting case (20) is planted. The case (20) can protect the planting claw (17), and it is possible to easily reduce the damage range in the event of an accident and simplify repairs, and also to protect the planting claw (17) in front when stopped. Prevention of seedling dropout by seedling removal guide (56) Planting resumption of the missing stock occurrence are those that can be eliminated and the like.

[Brief description of drawings]

FIG. 1 is an enlarged side view of a planting part.

FIG. 2 is an overall side view.

FIG. 3 is a plan view of the same.

FIG. 4 is a side view of the planting part.

FIG. 5 is a plan view of the same.

FIG. 6 is a sectional side view.

FIG. 7 is a sectional plan view.

FIG. 8 is a front view of a main part.

[Explanation of symbols]

 (16) Seedling table (17) Planted nails (20) Planted case (21) Rotary case (22) Nail case (56) Seedling removal guide (57) Existing seedlings

Claims (1)

[Scope of utility model registration request] 1. A device in which a planting claw is attached to a rotary case that is rotated at a constant speed in one direction via a claw case, wherein a front planting claw is symmetrically arranged on the rotary case about the axis of rotation. Is configured so that it can be stopped at least above the rice field, and is configured to stop the planting claw so that the tip of the planting claw is above the bottom surface of the planting case in which the rotary case is installed. Planting equipment for rice transplanters.