JPH0728310U - Rice transplanter planting device - Google Patents

Abstract

(57) [Summary] (Modified) [Purpose] The deformation of the horizontal shaft can be reduced more easily than before, and twisting etc. can be prevented to easily adjust the amount of seedlings to be taken out and maintain a predetermined amount of seedlings to be taken out. Further, a structure having a large strength in a plane is obtained. In a device in which the seedling placing table 13 is supported by a planting case 17 so as to be reciprocally movable to the left and right, in a side view, the vertical and horizontal feed drive unit 17a and the transmission chain section of the planting case 17 and the seedling placing table 13 are viewed. In addition to providing the triangular space portion to be formed, the horizontal shaft body 35 is laid horizontally in the triangular space portion above the transmission chain portion, and the base end of the seedling take-out amount adjusting lever 36 is integrally connected to the horizontal shaft body 35. And, in plan view, the seedling stand 13
A lateral transmission frame 39 for connecting the seedling take-out plate 15 at the lower end of inclination and the horizontal shaft body 35 to each other in a quadrangle by the arm body, and for integrally connecting the horizontal shaft body 35 to the left and right transmission chain portions.
And the seedling pick-up plate 15 are provided substantially parallel to these.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a planting device for a rice planting machine, which picks up one seedling of a single plant from a seedling mounting table that reciprocates left and right by a planting claw and sequentially plants it in a field.

[0002]

[Prior art]

 Conventionally, as disclosed in Japanese Utility Model Laid-Open No. 59-98717, there has been a technique for mounting a seedling removal amount adjusting lever or the like on the lower surface side of the lower end of the inclined seedling mounting table.

[0003]

[Problems to be solved by the device]

 In the prior art, since the horizontal shaft body is provided in the frame for mounting the flattening float and the seedling take-out amount adjusting lever is connected to the seedling mounting table side via the horizontal shaft body, the frame or the horizontal shaft body is It is easy to be deformed and damaged by external pressure, and the seedling removal amount adjustment position of the lever is likely to be different from the set position due to mechanical vibration, etc., and it is not possible to easily prevent the seedling removal amount from changing due to the deformation or displacement. There was a functional problem with.

[0004]

[Means for Solving the Problems]

 Therefore, the present invention relates to a device in which the seedling table (13) is supported by the planting case (17) so as to be reciprocally movable to the left and right, and in a side view, the vertical and horizontal feed drive section (17a) of the planting case (17) and A triangular space part (48) formed by the transmission chain parts (17b) to (17f) and the seedling table (13) is provided, and the horizontal shaft body (35) is attached to the transmission chain part of the triangular space part (48). It is erected in the left-right direction above the parts (17b) to (17f), and the base end of the seedling take-out amount adjusting lever (36) is integrally connected to the horizontal shaft body (35). 13) The seedling take-out plate (15) at the lower end of the slope and the horizontal shaft body (35) are connected to each other by the arm body (34) in a square shape, and the horizontal shaft body (35) is connected to the left and right transmission chain parts (17b) to (17f). ) Is provided between the lateral transmission frame (39) and the seedling take-out plate (15), which are integrally connected to each other, in parallel with them.

[0005]

[Action]

 Therefore, in a side view, the triangular space part (48) formed by the vertical and horizontal feed drive part (17a) and the transmission chain parts (17b) to (17f) of the planting case (17) and the seedling table (13) is provided. At the same time, since the horizontal shaft body (35) is installed in the lateral direction above the transmission chain parts (17b) to (17f) of the triangular space part (48), the triangular space part (48) of the horizontal shaft body (35) is Deformation of the horizontal shaft (35) can be reduced more easily than before with the protection by), and the seedling removal amount adjustment lever (36) and arm body (34) are integrally connected via the horizontal shaft (35). In addition, in plan view, since the seedling pick-up plate and the horizontal shaft body (35) are connected to the quadrangle by the arm body (34) respectively, it is possible to prevent twisting and control the amount of seedlings to be taken out and to maintain a predetermined amount of seedlings taken out. The horizontal shaft body (35) is located above the transmission chain parts (17b) to (17f) and the horizontal shaft body (35) is located on the left and right transmission chain parts (17b) to (17f). ) Are connected together Since the horizontal transmission frame (39) and the seedling take-out plate (15) are installed substantially parallel to these, a structure with high strength is obtained even in the plane, and the horizontal shaft body (35) against external pressure. It is possible to easily prevent deformation and damage of the seedlings, and it is possible to easily improve the function and safety of the seedling take-out amount adjusting structure as compared with the conventional one.

[0006]

【Example】

 An embodiment of the present invention will be described below in detail with reference to the drawings. Fig. 1 is an explanatory view of the main parts, Fig. 2 is an overall side view of the rice transplanter, and Fig. 3 is a plan view of the rice transplanter. In Fig. 1, (1) is a running part on which an operator rides, and (2) ) Is an engine mounted on the base frame (3), (4) is a bonnet that covers the engine (2), (5) is a mission case connected to the rear end of the base frame (3), and (6) is the above Axle cases connected to the left and right sides of the rear end of the mission case (5), (7) and (8) are the front and rear wheels for driving paddy fields (9) are in the operating seat, (10) is the steering wheel, and (11) is a spare wheel. It is a seedling stand.

Further, (12) in the figure is a planting part equipped with a seedling mounting table (13) for multi-row planting and a plurality of planting claws (14). The seedling stand (13) is supported on the planting case (17) via the seedling take-out plate (15) and the guide rail (16) so as to be slidable right and left, and at the same time, the planting arm (18) and the planting arm (18) for cranking movement. The planting claw (14) is attached to the planting case (17) via the claw driving shaft (19). Below the planting case (17), the main float (20) for planting and leveling, which is a sliding body, and the left and right side floats (21) (21) are installed, and the running part (1) is fitted with three The planting part (12) is vertically movable via the point link mechanism (22) and the hydraulic cylinder (23) to drive the front and rear wheels (7) and (8) at a substantially constant speed, and at the same time, the left and right reciprocating slides are performed. The seedlings for one strain are continuously taken out from the moving seedling mounting table (13) by the planting claws (14) and the seedlings are planted in the field.

As shown in FIGS. 4 to 6, the seedling vertical adjustment amount adjusting member (24) for adjusting the takeout amount of the seedlings is provided near the inclined lower end of the seedling placing table (13), and the planting case The seedling pick-up plate arms (25) fixed to both the left and right sides of (17) are connected in a gate shape by the seedling support plate shoes (26) fixed to the upper part of the arm, and the shoe (26) is connected to the seedling mounting table (13). ) A seedling stand rail (27) fixed to the rear surface of the lower end of the slant is slidably supported from side to side. Further, the seedling vertical amount adjusting member (24) includes a seedling take-out plate (15) which supports seedlings at an inclined lower end of the seedling mounting table (13) and a vertical adjusting plate (28). The adjusting pin (29) and the long hole ( An engaging plate (31) fixed to the adjusting plate (28) is supported by the arm (25) connected in a gate shape via a notch groove (32). Guide pin (33). Connected to the seedling removal amount adjusting lever (36) via the swing arm (34) and the adjusting shaft (35), and operate the lever (36) to operate the seedling extracting plate ( The vertical position of 15) is adjusted to change the amount of seedlings taken out. In addition, the adjusting plate (28) and the adjusting pin (29) are integrally fixed, and the pin (29) is inserted into the long hole (30) of the arm (25). The washer (38) is attached to the protruding end side of the armature via the spring (37), and the washer (38) is pressed against the arm (25) with the pressure of the spring (37) to adjust the adjustment plate ( It is configured to maintain the position of 28). On the other hand, five transmission chain parts (17b) (17c) (17d) (17e) (17f) are connected in series behind the vertical / horizontal feed drive part (17a) of the planted case (17) through a horizontal transmission frame (39). Then, two planting claws (14) each are attached to the left and right outer transmission chain parts (17b) (17c) and the central transmission chain part (17d) to plant two rows each, and leave the rest. A single planting claw (14) is attached to the inside of the transmission chain parts (17e) and (17f), and a total of eight plants are planted. Then, the seedling support shoe (26) is supported in a gate shape through the left and right arms (25) that fix the left and right outer transmission chain parts (17b) (17c) and the central transmission chain part (17d). At the same time, the single adjusting shaft (35) is supported in the concave grooves (40a) (40b) (40c) (40d) (40e) formed on the upper side surface of each transmission chain (17b) to (17f). By doing so, the mounting accuracy of the shaft (35) is stabilized.

Further, as shown in FIG. 1, a horizontal feed shaft (42) movably supported in the vertical and horizontal feed drive units (17a) of the planting case (17) is connected to a seedling table (13), The seedling placing table (16) is moved back and forth to the left and right, and two pairs of vertical feed rollers (43) (43), which are vertical feed members of the surface contact type, are provided for each row. ) While vertically arranging them on the back side, the vertical feed drive shaft (44) is mounted on the vertical / horizontal feed drive section (17a) of the planted case (17), and the vertical feed drive cams (45) are installed at both ends. A driven cam (46) for supporting and supporting the driving cam (45) at the left and right reciprocating ends of the seedling mounting table (13) is provided on the vertical feed shaft (47) that pivotally supports the roller (43). The vertical feeding shaft (47) is rotated to vertically feed and lower the seedling mat with the roller (43).

Further, in a side view, the transmission chain parts (17b) to (17f) of the planting case (17) and the vertical and horizontal feed drive part (17a) continuously provided at the rear end thereof are obliquely installed in a front high and low rear shape. Inside the triangular space (48) formed with the seedling mounting table (13), the gate-shaped upper part of the left and right seedling pick-up plate arms (25) are connected in a gate shape by the seedling support plate shoes (26). The seedling vertical adjustment member (24) is supported by the arm (25) in the triangular space (48), and the lower vertical feed amount (47) is set in the triangular space (48). (48) is laterally mounted on the back side of the seedling mounting table (13), and the lower vertical feed roller (43), which is a vertical feed member, is pivotally supported, and the roller (43) is also the seedling vertical adjustment member. Similarly to (24), each member (24) (43) attached to the seedling table (13) is supported in the triangular space (48) and is arranged in close proximity. As is clear from the above, in the device in which the seedling mounting table (13) is supported in the planting case (17) so as to be reciprocally movable to the left and right, in the planting case (17), the vertical and horizontal feed drive unit (17a) and the transmission chain (17a). Parts (17b) to (17f) and seedling stand (13) form a triangular space (48) in side view, and the adjustment shaft (35), which is a horizontal shaft, is laid horizontally in the lateral direction, and the amount of seedlings removed. The base end of the adjusting lever (36) is integrally connected to the adjusting shaft (35), and in a plan view, the seedling taking plate (15) and the adjusting shaft (35) at the lower end of the slanted lower end of the adjusting shaft (35) are connected to the arm body (34). And the horizontal transmission frame (39) that connects the left and right transmission chains (17b) to (17f) as a unit in a plan view, and is approximately parallel to these. The adjustment shaft (35) is provided in the.

As shown in FIGS. 7 and 8, a horizontal feed screw shaft (49) for interlocking connection with the running portion (1) side is supported by the vertical and horizontal feed drive portion (17a) of the planting case (17). Then, connect the connecting rod (51), which is slidably moved to the screw groove (50) of the shaft (49), to the transverse feed shaft (42), and connect the screw terminal end (50a) of the screw groove (50). (L) swell, and the ribs (13a) of each row of the seedling mounting table (13) are moved by (e) more than the extraction part (15a) of the seedling extraction plate (15) at its moving end, It is configured to prevent the seedlings from being left behind by each planting claw (14).

The present invention is configured as described above, and the left and right seedling take-out plate arms (25) are connected in a gate shape by the seedling receiving plate shoes (26), so that the arm (25) having the highest support strength is obtained. The seedling vertical adjustment member (24) is supported by the member, and the member (24) is used by the member (24) in the most stable position, that is, in the triangular space (48) at the lower end of the slope of the seedling mounting table (13). By connecting (13), it is possible to adjust the seedling vertical length evenly across the entire line, and the roller (43), which is the vertical feed member, is connected to the vertical / horizontal feed drive part (17) of the planting case (17). The interlocking structure of the drive part (17a) to the roller (43) can be formed very easily by disposing the position closest to the position (17a) within the triangular space (48).

[0013]

[Effect of device]

 As is apparent from the above-described embodiments, the present invention is an apparatus in which the seedling mounting table (13) is supported by the planting case (17) so as to be reciprocally movable to the left and right. A triangular space (48) formed by the feeding drive unit (17a) and transmission chain units (17b) to (17f) and the seedling table (13) is provided, and the horizontal shaft body (35) is formed in the triangular space. It is installed in the horizontal direction above the transmission chain parts (17b) to (17f) of the part (48), and the base end of the seedling removal amount adjusting lever (36) is integrally connected to the horizontal shaft body (35). In a plan view, the seedling take-out plate (15) and the horizontal shaft body (35) at the lower end of the slanting base (13) are connected to the quadrangle by the arm body (34), respectively, and the horizontal shaft body (35) is connected to the left and right sides. Since the horizontal transmission frame (39) integrally connecting the transmission chains (17b) to (17f) and the seedling take-out plate (15) are provided substantially parallel to these, the planting case (17 ) Vertical and horizontal feed drive section (17a) and transmission chain section (17b) ~ (17f) and the seedling table (13) are provided with a triangular space part (48), and the horizontal shaft body (35) is attached to the transmission chain parts (17b) to (17f) of the triangular space part (48). ) Since it is installed horizontally in the upper direction, deformation of the horizontal shaft body (35) can be reduced more easily than before by protection by the triangular space (48) of the horizontal shaft body (35), and the horizontal shaft body (35) The seedling take-out amount adjusting lever (36) and the arm body (34) are integrally connected to each other, and the seedling take-out plate and the horizontal shaft body (35) are connected to the quadrangle by the arm body (34) in a plan view. Therefore, it is possible to easily control the amount of seedlings to be taken out and to maintain a predetermined amount of taking out seedlings by preventing twisting, etc., and the horizontal shaft (35) above the transmission chain parts (17b) to (17f). Moreover, the horizontal shaft body (35) is provided substantially parallel to the horizontal transmission frame (39) integrally connecting the left and right transmission chains (17b) to (17f) and the seedling picking plate (15). treasure A structure with high strength is also obtained in plan view, and it is possible to easily prevent the horizontal shaft (35) from being deformed and damaged due to external pressure, improving the function and safety of the seedling removal amount adjustment structure compared to the conventional one. Can be easily achieved.

[Brief description of drawings]

FIG. 1 is an enlarged side view showing an essential part of the present invention.

[Figure 2] Overall side view of rice transplanter

FIG. 3 is a plan view of the same.

FIG. 4 is an enlarged plan view of the planting part.

FIG. 5 is a side view of the same.

FIG. 6 is a front view of the same.

FIG. 7 is an explanatory view of the action of the lateral feed screw shaft.

FIG. 8 is a partial development view of the lateral feed screw shaft.

[Explanation of symbols]

 13 seedling mounting table 15 seedling take-out plate 17 planting case 17a vertical and horizontal feed drive unit (planting case) 17b transmission chain unit (planting case) 17c transmission chain unit (planting case) 17d transmission chain unit (planting case) 17f Transmission chain part (case with planting) 34 Swing arm (arm body) 35 Adjustment axis (horizontal shaft body) 36 Seedling extraction amount adjustment lever 39 Horizontal transmission frame 48 Triangular space part

Claims (1)

[Scope of utility model registration request] 1. A device in which a seedling table (13) is supported by a planting case (17) so as to be capable of reciprocating left and right, and in a side view, a vertical and horizontal feed drive unit (17a) of the planting case (17) and Transmission chain section (1
7b) ~ (17f) and the seedling table (13) form a triangular space (4
8) is provided, and the horizontal shaft body (35) is installed in the lateral direction above the transmission chain parts (17b) to (17f) of the triangular space part (48), and the base of the seedling removal amount adjusting lever (36) is provided. The end is the horizontal shaft (3
5) is integrally connected, in plan view, the seedling take-off plate (15) and the horizontal shaft body (35) at the slanted lower end of the seedling mounting base (13) are respectively connected to the quadrangle by the arm body (34) and the horizontal shaft. It is characterized in that the body (35) is provided between the lateral transmission frame (39) integrally connecting the left and right transmission chain parts (17b) to (17f) and the seedling take-out plate (15) substantially in parallel with them. Planting equipment for rice transplanters.