JP2009131177A - Watering-type vegetable seedling transplanter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a watering-type vegetable seedling transplanter which can improve the longitudinal balance of the machine frame and can ensure the workability for pouring water into a watering tank and the maintainability of a seedling-planting device and a watering device. <P>SOLUTION: This watering-type vegetable seedling transplanter includes the machine frame (2) having front and rear wheels (4, 5); a handle frame (3) extending to the rear portion of the machine frame (2); a seedling-planting device (6, 7) comprising a seedling transfer mechanism (6), having a laterally long orbit and a planting mechanism (7); a seat (6a) used for seedling-charging works at a position in front of the seedling-planting device (6, 7); and the watering device (8) for supplying water into the seedling-planting device (6, 7), is such that the water-supply portion of the watering device (8) includes right and left watering tanks (T) which are divided and loaded on both the outsides of a handle base portion for connecting the right and left rear handles (3a) to the handle frame (3), within the lateral width range of the seedling transfer mechanism (6) on the rear side of the seedling transfer mechanism (6). <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a irrigation apparatus for irrigating a seedling planting device and a irrigation type vegetable seedling transplanting device including a water supply unit for a vegetable seedling transplanting device having a rear handle for walking operation.

  As shown in Patent Document 1, for a vegetable seedling transplanter having a rear handle for walking operation, an irrigation device for irrigating the seedling planting device and an irrigated vegetable seedling transplanter having the water supply unit (same as above) Documents such as FIG. 2 are known.

  More specifically, the vegetable seedling transplanting machine includes a front wheel for guidance and a rear wheel for driving, and a seedling planting device by a seedling transfer mechanism and a planting mechanism on a machine body that can run on a field across a fence, and The seedling planting device is equipped with an irrigation device for irrigating the planting tool and its water supply unit, and this water supply unit has left and right irrigation inside the rear wheel. The tank is divided and arranged.

In this way, by arranging the left and right irrigation tanks on the rear wheels, it is not affected by the fluctuation of the irrigation tank weight due to irrigation planting, so that the operability of the aircraft by the rear handle is ensured and the aircraft Planting of seedlings can be promoted while maintaining a substantially constant weight balance in the front-rear direction.
JP 2006-180720 A

  However, the vegetable seedling transplanting machine may become unstable due to an increase in weight distribution on the front side of the aircraft due to the operator weight being applied to the front of the aircraft during planting, When water was poured into the irrigation tank, workability was poor at the rear side of the rear wheel, and both irrigation tanks contained problems that hindered maintenance of the planting device and the irrigation device. It was.

  The object of the present invention is to improve the unstable running due to the uneven distribution of the weight of the machine body, as well as the irrigation specification vegetable seedling transplanter which can improve the workability of irrigation tank water injection and the maintenance of the seedling planting device and irrigation device Is to provide.

  The invention according to claim 1 includes a machine body (2) provided with a front wheel (4) and a rear wheel (5) and capable of traveling on a field across a fence, and the aircraft body integrally extended at a rear portion of the machine body (2). The input seedling is transferred to a predetermined position by a handle frame (3) formed with left and right rear handles (3a) for walking operation of (2) and a plurality of seedling containers that circulate in a long loop trajectory on the left and right. The seedling planting device (6) and the planting mechanism (7) for receiving the seedlings and planting them sequentially in the field, and the seedling planting device (6, 7) are arranged in front of the seedling planting device (6, 7). In the irrigation type vegetable seedling transplanter equipped with a seat (6a) for seedling input operation and an irrigation device (8) for irrigating the seedling planting device (6, 7), the irrigation device (8) The water supply part is located within the range of the left and right width of the seedling transfer mechanism (6) on the rear side of the seedling transfer mechanism (6). For the left and right rear handle (3a) it is characterized by being configured by watering tank left and right divided mounted on both outer sides of the handle base connected to the handle frame (3) (T).

  The vegetable seedling transplanting machine with the above configuration balances the weight distribution of the front and rear of the aircraft with the weight load of the rear of the aircraft by the left and right irrigation tanks relative to the weight of the front of the aircraft including the workers. An open space is secured around the planting device.

  According to the first aspect of the present invention, the front / rear balance of the aircraft is improved by the left and right irrigation tanks at the rear of the aircraft, so that stable planting can be performed even when the operator's weight is applied, and the aircraft operability by the rear handle In addition, water injection work to the irrigation tank can be easily performed from the open space outside the aircraft, and for the seedling planting device including the irrigation device, the open space around the seedling planting device Maintenance environment can be secured.

Embodiments specifically configured based on the above technical idea will be described below with reference to the drawings.
The irrigated vegetable seedling transplanter 1 according to the present invention comprises an engine and a main transmission mechanism 2 integrally as shown in FIG. 1 and FIG. 4 and the rear wheels 5 and 5 for driving, and a handle that is supported so as to be able to travel, and a handle that is extended from the rear of the case of the main transmission mechanism 2 and that has rear handles 3a and 3a for walking control. A frame 3 and a revolving transfer type seedling transfer mechanism 6 that transfers the input seedlings to a predetermined position by a plurality of seedling containers that circulate along a long loop trajectory on the left and right, and a planting mechanism 7 that plants by raising and lowering and opening and closing operations The seedling planting device for sequentially planting the seedlings to be introduced in the field, the work seat 6a for introducing the seedlings at the front position of the seedling planting device, and the seedlings for placing the seedlings to be planted Constructed with frame 9 etc. That.

  The main transmission mechanism 2 is provided with arm-like left and right transmission support portions 5a and 5a on both sides thereof so as to be rotatable in order to adjust the body height and the left and right height, and the left and right transmission support portions 5a and 5a. The left and right rear wheels 5 and 5 are supported via the wheel and the seedling transfer mechanism 6 and the planting mechanism 7 are transmitted in synchronization with the traveling system.

  Further, the planting mechanism 7 is provided with an irrigation device 8, and the water supply part of the irrigation device 8 is located on the rear side of the seedling transfer mechanism 6 within the range of the right and left width of the seedling transfer mechanism 6. 3a and 3a are attached to a handle post 3b of the handle base part to which the handle frame 3 is connected, and a stay 3c extending left and right is attached to the outer side of the handle post 3b via the stay 3c. The irrigation tanks T and T supported by the left and right receivers R and R communicate with the irrigation device 8 through a water supply path (not shown).

  The irrigated vegetable seedling transplanter 1 configured as described above has a left and right irrigation tank with respect to the weight of the front part of the body including the operator who sits on the work seat 6a and puts the seedlings into the seedling transfer mechanism 6. The front / rear balance of the airframe is secured by the weight load at the rear of the airframe due to water injection to T and T, and open spaces around the planting mechanism 7 and the irrigation tanks T and T are secured.

  Therefore, the front and rear balance of the aircraft is ensured by the left and right irrigation tanks T, T at the rear of the aircraft, so that stable planting is possible even when the operator's weight is applied, and both irrigation can be performed from the open space outside the aircraft. Water can be easily poured into the tanks T and T, and, in addition, maintenance performance of the planting mechanism 7 including the irrigation device 8 can be ensured by an open space around the planting mechanism 7. Moreover, the presence or absence of irrigation can be confirmed while working by routing a water supply channel to the outer periphery of the seedling transfer mechanism 6 with a flexible hose.

(Another configuration example)
Next, as shown in FIGS. 3 and 4, respectively, a plan view and a front view of a vegetable seedling transplanting machine of another configuration example, the seedling frame 9 is set to the RH side of the machine body, and is dimensional compared to the seedling frame 9. By arranging the small irrigation tank T on the LH side of the aircraft, it is possible to ensure the boarding / alighting space from the rear of the aircraft on the LH side of the aircraft while ensuring the left-right balance of the aircraft.

  In addition, an auxiliary step 11 for getting on and off is provided at the front of the aircraft. As shown in FIG. 5, the auxiliary step 11 supports a side view of the main part of the airframe with an exploded perspective view by slide frames 12 and 12 having a predetermined slide stroke S, and a spring 13 for returning to rise. , 13 are provided. The auxiliary step 11 makes it easy to get on and off the front of the machine body, and after use, the foot is released to automatically return to the upper storage position without causing interference with the heel.

(畦 sensor)
Next, control of the vegetable seedling transplanter provided with the cocoon sensor will be described.
As shown in a side view of the vegetable seedling transplanting machine provided with the heel sensor, the first heel end sensor 21 is provided at the front of the machine body, as shown in FIG. 7 is provided, and a control unit C is configured as shown in the control block diagram of FIG. 7. By this control unit C, the buzzer 23 is operated by the first end sensor 21 as shown in the flowchart of FIG. (S1, S2), and the control process is configured to stop the main clutch by the second end sensor 22 (S3, S4).

  In this case, as for the control of the main clutch, the linkage part plan view (a) in the case of planting “on” in FIG. 9 and its side view (b), and the linkage in the case of planting “cut” in FIG. As shown in the partial plan view, the second hook end sensor 22 and the cable connecting mechanism by the planting cable are formed in the main clutch cable 25, so that the second hook end is reached when the planting hydraulic lever is in the “on” position. The operation of the main clutch can be controlled by the cable linkage linked to the sensor 22.

  In addition to the above, a configuration in which the rear end sensor 22 is abolished and throttle down is performed by a detection signal of the front end sensor 21, a configuration in which the main clutch stop motor 24 is operated by a timer, and the setting of the timer is set to the vehicle speed. It can be configured as the time from when the pitching sensor falls from the heel. Further, the LED 25 is provided on the table of the seedling transfer mechanism 6 so that the LED 25 is turned on by the detection signal of the front end sensor 21, and this LED 25 is visually recognized by being placed in front of the orbiting cup. The sex can be improved.

(Irrigation device)
Next, the irrigation apparatus will be described.
As shown in the operation front view of the planting tool in FIG. 11, the irrigation device has a nozzle arranged in the hopper H of the planting tool so that irrigation and cleaning can be performed, and is shown in the internal configuration diagram of the pump in FIG. Thus, it is comprised by the water supply mechanism by the irrigation pump P which formed the suction port S and the 1st and 2nd delivery port D1, D2. In the irrigation operation of this irrigation apparatus, the first delivery port D1 is irrigated to the seedling in the lowering process, and the second two delivery ports D2 are irrigated to perform hopper cleaning. With the irrigation apparatus configured as described above, the irrigation timing can be shifted by one pump P, so that irrigation and internal cleaning can be performed.

(Tank support stay)
Next, a support structure for the irrigation tank will be described.
In order to support the irrigation tank T on the chain case 5a, the tank stay 31 is configured to be attachable to the chain case 5a as shown in the attachment perspective view of FIG. The tank stay 31 is configured to be attached both inside and outside depending on the direction of the tire.
As another configuration example of the tank stay 32, as shown in the attachment perspective view of FIG. 14, the tank stay 32 is configured integrally with the pressure reducing wheel frame 33 to support the irrigation tank T on the pressure reducing wheel frame 33. Therefore, the planted seedling can be reliably suppressed by the weight of the tank water.

Side view of vegetable seedling transplanter Top view of the vegetable seedling transplanter in Fig. 1 Plan view of vegetable seedling transplanter of another configuration example Front view of the vegetable seedling transplanter in FIG. Side view of main part of aircraft with exploded perspective view of auxiliary step Side view of vegetable seedling transplanter equipped with cocoon sensor Control block diagram Control flowchart Plan view (a) and side view (b) Top view of the linkage when planting is “cut” Operational front view of the planting tool Internal configuration of irrigation pump Installation perspective view of tank stay for chain case Installation perspective view of tank stay for pressure wheel frame

Explanation of symbols

1 Vegetable seedling transplanter 2 Main transmission mechanism (airframe)
3 handle frame 3a rear handle 3b handle post 3c stay 4 front wheel 5 rear wheel 6 seedling transfer mechanism 6a work seat 7 planting mechanism 8 irrigation device R receiving T irrigation tank

Claims (1)

A body (2) equipped with a front wheel (4) and a rear wheel (5) that can travel across a fence, and a walking operation of the body (2) that is integrally extended to the rear of the body (2) Seedling transfer mechanism (6) for transferring the input seedlings to a predetermined position by a handle frame (3) formed with left and right rear handles (3a) and a plurality of seedling containers that circulate in a long loop trajectory from side to side And a seedling planting device by a planting mechanism (7) for receiving the seedlings and sequentially planting them in the field, and a seat for seedling input work placed on the front side of the seedling planting device (6, 7) ( 6a) and a vegetable seedling transplanting machine for irrigation specification comprising a irrigation device (8) for irrigating the seedling planting device (6, 7),
The water supply section of the irrigation device (8) has a left and right rear handle (3a) within the range of the lateral width of the seedling transfer mechanism (6) on the rear side of the seedling transfer mechanism (6). A vegetable seedling transplanter with irrigation specifications, characterized by comprising left and right irrigation tanks (T) separately mounted on both outer sides of the handle base to be connected.

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