JPH0582218U - Preliminary seedling platform structure for riding rice transplanter - Google Patents

Abstract

(57) [Summary] [Purpose] A spare seedling stand that can be used not only to perform seedling splicing from a spare seedling stand to a seedling stand but also to supply spare seedlings from the ridges in the field to the spare seedling stand. Provide the rice transplanter equipped. [Structure] A spare seedling mounting table is provided in the running section connected to the rear part of the planting section. A spare rice seedling table structure for a riding rice transplanter that can change its posture between the seedling table and the seedling splicing position arranged just above the upper end of the seedling table provided in the attachment part. A pillar that is erected on one rear side of the driving section provided in the traveling section, a slide support frame that is rotatably attached to the pillar around the main pillar, and a base frame that is slidably attached to the slide support frame. The auxiliary seedling table main body is formed to have a width substantially the same as the lateral width of the seedling table of the planting part, and is attached to the base frame so that the rear end edge is pivotally supported and is vertically rotatable.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a spare seedling mount structure for a riding rice transplanter.

[0002]

[Prior Art]

 Conventionally, one type of riding rice transplanter has been described in Japanese Patent Publication No. 58-11805.

That is, in the above-mentioned riding rice transplanter, a planting section is connected to the rear of a traveling section capable of self-propelling, and spare seedling mounts are arranged on the left and right sides of the operating section of the traveling section.

The left and right spare seedling mounts are opposite to each other in the left-right width direction with the operating unit interposed therebetween, and the position where they are horizontally rotated by 90 degrees and aligned with the seedling mounts of the planting unit. It is possible to change the posture between and.

In this way, when the riding rice transplanter is moved inside or outside the field, the preliminary seedling placing table is placed in a laterally-opposed state, and when the preliminary seedling is transferred to the seedling placing table. , The preliminary seedling placing table is horizontally rotated 90 degrees to align with the seedling placing table in the planting section so that the preliminary seedlings can be easily transferred.

[0006]

[Problems to be solved by the device]

 However, in the structure of the above-mentioned preliminary seedling mounting table, when supplying the preliminary seedlings on the preliminary seedling mounting table in the field, the riding rice transplanter is stopped close to the ridge, and the paddy section and the preliminary seedling mounting table are separated. The spare seedlings must be replenished on the spare seedling mounting table by reciprocating between the steps of the riding rice transplanter between them, and it is difficult to walk on the step portion with the spare seedlings. The replenishment work was complicated work.

[0007]

[Means for Solving the Problems] Therefore, according to the present invention, a spare seedling placing table is provided in the traveling section connected to the rear part of the planting section, and the spare seedling placing table is provided in a longitudinal direction on one side of the traveling section. The reserve seedlings for the riding rice transplanter that can change its posture between the spare seedling replenishment position, which is placed toward the plant, and the seedling splicing position, which is aligned and immediately above the upper edge of the seedling table provided in the planting section. A stand structure, in which a spare seedling stand is erected upright on one side of the driving section provided in the running section, and a slide support frame rotatably attached to the pillar around the main pillar, The base frame slidably attached to the slide support frame and the left and right width of the seedling table of the planting part are formed to have almost the same width, and the rear edge is pivotally supported on the base frame to enable vertical rotation. It is intended to provide a spare seedling stand structure for a riding rice transplanter, which is characterized in that it is formed from an attached spare seedling stand body.

[0008]

[Action]

 In the field, when supplementing seedlings on the seedling stand, move the running part closer until the front end touches the ridge, and then place the seedlings arranged directly above the upper end of the seedling stand. The spare seedling mounting table at the ridge position was changed to the spare seedling replenishment position with the long side facing forward and backward on one side of the running section, and in the same state, the spare seedlings were fed from the ridges. Preliminary seedlings can be sequentially supplied on the platform.

At this time, in the preliminary seedling placing table, the base frame is slid laterally outward along the slide support frame, and then the base frame is horizontally rotated about 90 degrees around the support post to make a preliminary movement. The posture can be changed to the seedling supply position.

After the supply of the spare seedlings to the spare seedling mounting table is completed, the spare seedling mounting table is returned to the seedling splicing position by following the procedure reverse to the above procedure.

In addition, when performing seedling splicing of the preliminary seedlings, after the main body of the preliminary seedling mounting table on the base frame is aligned with the seedling mounting base, the rear end edge is pivotally supported by the base frame. By lifting the main body upward, the main body of the auxiliary seedling stand was tilted to the front, rear and low, and the spare seedlings placed on the main body of the auxiliary seedling stand were slid down onto the seedling mount. , It is possible to add spare seedlings onto the seedling mounting table reliably and easily.

[0012]

【Example】

 Hereinafter, embodiments of the present invention will be described with reference to the drawings.

A shown in FIG. 1 is a riding rice transplanter equipped with a spare seedling mounting structure according to the present invention, and the riding rice transplanter A has a planting portion 2 behind a traveling portion 1 that is self-propelled. They are connected via a lifting link mechanism 3.

As shown in FIG. 1, the traveling unit 1 has a floor portion 13 stretched on a body frame 4, a front portion of the floor portion 13 is provided with a prime mover portion 5, and a rear portion is provided with a driving portion 6. The front, rear, left and right wheels 7, 7, 8, 8 are mounted on the front, rear, left and right sides of the machine body frame 4.

The prime mover portion 5 is covered with a bonnet 9, a handle shaft 10 is projected from an upper surface of the bonnet 9, and a handle 11 is attached to the handle shaft 10.

The operation unit 6 is formed by bulging the seat placing portion 13a upward on the rear portion of the floor portion 13, placing the seat 14 on the upper surface of the seat placing portion 13a, and removing the seat placing portion 13a from the seat placing portion 13a. A stepped recess 13b is formed on the left side wall, a gear shift lever guide part 15 is provided on the upper surface of the stepped recess 13b, the gear shift lever 16 is inserted into the same guide part 15, and the lower end of the gear shift lever 16 is set at the prime mover. It is interlockingly connected to a mission section (not shown) provided in the section 5. Reference numeral 17 is a clutch pedal projected from the floor portion 13.

In the planting section 2, a planting claw 19 is attached to the rear end of the planting mission case 18, and a seedling mounting table 28 is slid above the case 18 in a tilted state of front high and low low. The means 36 is slidably attached in the left-right width direction, and the float 37 is attached below the case 18.

As shown in FIGS. 1 and 2, a spare seedling mounting table 20 for mounting a spare seedling is provided on the left lateral side of the operation unit 6, and the spare seedling mounting base 20 is provided. Erected a pillar 21 on a floor 13 located on the left rear side of the driving section 6, and attached a slide support frame 22 to the pillar 21 rotatably around the pillar, and a base frame 23 on the slide support frame 22. Is mounted slidably, and a spare seedling stand main body 24 formed to have a width substantially the same as the lateral width of the seedling stand 28 is attached to the base frame 23 with its rear end edge pivotally supported up and down. In FIG. 2, M is a worker, N is a spare seedling, and U is a ridge.

Moreover, as shown in FIGS. 1, 3 and 4, the slide support frame rotating means 25 is provided between the support column 21 and the slide support frame 22, and the slide support frame 22 and the base frame are provided. A base frame slide means 26 is provided between the base frame 23 and the auxiliary seedling table main body 24, and a preliminary seedling table main body tilting means 27 is provided between the base frame 23 and the auxiliary seedling table main body 24.

As shown in FIGS. 3 and 4, the slide support frame rotating means 25 rotatably fits the rotating cylinder 22a to the upper end portion 21a of the support column 21 so as to rotate the rotating cylinder 22a. Install the support frame main body 22b, which has a U-shape in side view, and the input gear 25a on the lower end of the rotary cylinder 22a, and mount the slide support frame rotary motor 25b on the support column 21. An output gear 25d is attached to the force shaft 25c, and the input gear 25a is meshed with the output gear 25d.

In this way, the slide supporting frame rotating means 25 makes the slide supporting frame 22 forward and backward rotatable on the same horizontal plane by rotating the slide supporting frame rotating motor 25b forward and backward. There is.

As shown in FIGS. 3 and 4, the base frame slide means 26 is capable of sliding the slide base portion 23a of the base frame 23 on the support frame body 22b of the slide support frame 22 via the slide guide portions 26a and 26b. Mount a pair of left and right base frame body arms 23b, 23b on the slide base 23a in a horizontally extended state, and also attach a base frame slide motor 26c to the support frame body 22b, and attach it to the output shaft 26d of the motor 26c. While mounting the pinion gear 26e, a rack 26f is attached to the slide base 23a, and the pinion gear 26e is meshed with the rack 26f.

In this way, the base frame slide means 26 can reciprocally slide the base frame 23 by rotating the base frame slide motor 26c in the forward and reverse directions.

As shown in FIG. 3 and FIG. 4, the preliminary seedling table main body tilting means 27 is provided on the lower surface of the preliminary seedling table main body 24 at the tips of the pair of left and right base frame main body arms 23b, 23b. The pair of left and right mounting brackets 24a, 24a are pivotally supported by the pivot pins 24b, 24b, and the base support bracket 23c is projected on the slide base 23a, while the tip support bracket is provided on the lower surface of the spare seedling stand body 24. 24c is projected and a tilting hydraulic cylinder 27a is interposed between both brackets 23c and 24c. 27c and 27d are cylinder pivot pins.

In this way, the preliminary seedling table main body tilting means 27 makes it possible to tilt the preliminary seedling table main body 24 by expanding and contracting the piston rod 27b of the tilting hydraulic cylinder 27a.

As described above, the spare seedling mounting table 20 is arranged on the left side of the operating unit 6 with the longitudinal direction facing forward and backward by operating the means 25, 26 and 27. It is also possible to change the posture between the seedling replenishment position and the seedling splicing position which is arranged immediately above the upper end of the seedling mounting table 28 provided in the planting section 2, and further, the spare seedling mounting table main body 24 It is also possible to change the tilting posture from front to back and back to front and back, and a series of posture changes of the preliminary seedling mounting table 20 can be automatically performed.

That is, the operation unit 6 is provided with a control unit 33, an automatic seedling splicing switch 30, a preliminary seedling supply alarm device 40 and a preliminary seedling supply switch 41, and a seedling mounting table 28 with a seedling detection sensor 31 and a center of the seedling mounting base. A position detection sensor 32 is provided, a spare seedling detection sensor 34 is provided on the spare seedling mounting table body 24, a main clutch for connecting and disconnecting the power transmission path to each drive unit is provided at the mission, and a main clutch is provided at the main clutch. , The main clutch forcible disengagement means 35 for forcibly disengaging the main clutch is interlockingly connected, and as shown in FIG. 5, the automatic seedling splicing switch 30, seedling splicing detection sensor 31, and seedling table central position. The detection sensor 32 and the spare seedling supply switch 41 are connected to the input side of the control unit 33, and the slide support frame rotating means 25, the base frame slide means 26, and the spare seedling stand main body tilting unit are connected to the output side of the control unit 33. Means 27, main clutch forced disengagement means 35, seedling table slide means 36 and auxiliary seedling supplement The feed alarm device 40 is connected.

In this way, when the automatic seedling switch 30 is turned on, the following operation is automatically performed.

(1) When the seedling matting sensor on the seedling mat 28 on the seedling mounting table 28 decreases with the progress of planting work and the seedling seedling detection sensor 31 detects that the seedling seedling is necessary, the detection result is the same. Is output to.

(2) A signal is output from the control unit 33 to the seedling table slide means 36, and the seedling table slide means 36 forcibly returns the seedling table 28 to the central position. The seedling table central position detection sensor 32 detects the central position return, and the detection result is output to the control unit 33.

(3) Subsequently, a signal is output from the control unit 33 to the main clutch forced disengagement means 35, and the main clutch is disengaged by the forced disengagement means 35.

(4) A signal is output from the control unit 33 to the preliminary seedling table main body tilting means 27, and the preliminary seedling table main body 24 is tilted upward by the tilting step 27, whereby the seedlings of high front and low front are lowered. It takes the next posture (see FIGS. 1 and 3).

(5) When the preliminary seedling N slips from the preliminary seedling placing table main body 24 in such a seedling placing position onto the seedling placing table 28 and the seedling seedling detection sensor 31 detects that the preliminary seedling N has been seeded. The detection result is output to the control unit 33.

(6) A signal is output from the control unit 33 to the pre-seedling table main body tilting means 27, and the pre-seedling table main body 24 is rotated downward by the tilting means 27 to return to the original horizontal posture. (See FIGS. 1 and 3).

(7) After seedling sprinkling, the spare seedling detection sensor 34 detects that there is no spare seedling on the spare seedling mounting table body 24, and the detection result is output to the control unit 33.

(8) A signal is output from the control unit 33 to the preliminary seedling replenishment alarm device 40, and the alarm device 40 is activated to alert the worker M of the necessity of replenishing the preliminary seedling N. .

(9) When the worker M turns on the preliminary seedling supply switch 41, the alarm operation of the preliminary seedling supply alarm device 40 is stopped and a signal is output from the control unit 33 to the base frame slide means 26. The slide means 26 slides the base frame 23 laterally outward along the slide support frame 22 (see FIG. 2).

(10) Subsequently, a signal is output from the control unit 33 to the slide support frame rotating means 25, and the rotating frame 25 rotates the base frame 23 around the support column, so that the base frame 23 is rotated. It is placed in the preliminary seedling supply position where the long direction is the front and back direction (see FIGS. 1 and 2).

(11) As shown in FIG. 2, the traveling unit 1 is brought close to the ridge U so that the front end of the running unit 1 comes into contact with the ridge U and the worker M puts the spare seedling N on the spare seedling placing table main body 24 from the ridge U. When the preliminary seedling supply switch 41 is turned off after replenishment, a signal is output from the control unit 33 to the slide support frame rotating means 25 and the base frame sliding means 26, and the means 25 and 26 cause the preliminary seedling table 20 to move. It is returned to the seedling setting position. In such a state, the planting work can be restarted.

FIG. 6 shows a rice transplanter B equipped with a drug spraying device 50. The drug spraying device 50 is connected to a drug delivery drive motor 53 as shown in FIG. A fuse 51 is installed in K to prevent the motor 53 from being locked and burned out, and an alarm 52 is connected so that an alarm sound is emitted when the fuse 51 is blown. 54 is a resistor, 55 is an alarm switch, and 56 is a diode.

In this manner, the fuse 51 is prevented from being burnt out by the medicine feeding drive motor 53, and the operator is notified by the alarm sound of the fuse 52 when the fuse 51 is cut off. We are trying to prevent chemical damage caused by overspraying.

[0042]

[Effect of the device]

 According to the present invention, the following effects can be obtained.

That is, according to the present invention, the preliminary seedling placement position is provided in which the preliminary seedling placement table formed to have a width substantially the same as the lateral width of the seedling placement table is arranged on one side of the running portion with the longitudinal direction facing forward and backward. Since it is possible to change the posture between the seedling placing position which is aligned and immediately above the upper end of the seedling placing table provided in the planting section, the seedling placing from the spare seedling placing table to the seedling placing table is possible. Not only the work, but also the work of replenishing the spare seedlings from the ridges in the field to the spare seedling mounting table can be performed easily.

[Brief description of drawings]

FIG. 1 is a side view of a riding rice transplanter equipped with a preliminary seedling stand structure according to the present invention.

FIG. 2 is an explanatory diagram of a preliminary seedling supply work.

FIG. 3 is a side view for explaining the same seedling mounting table.

FIG. 4 is an explanatory plan view of the preliminary seedling placing table.

FIG. 5 is a control block diagram.

FIG. 6 is a side view of a riding rice transplanter equipped with a chemical spraying device.

FIG. 7 is an alarm circuit diagram provided in the medicine spraying device.

[Explanation of symbols]

 A Passenger rice transplanter 20 Spare seedling table 21 Struts 22 Slide support frame 23 Base frame 24 Spare seedling table body

Claims (1)

[Scope of utility model registration request] 1. A preliminary seedling placing table is provided on a traveling section connected to a rear part with a planting section, and the preliminary seedling placing table is arranged on one side of the traveling section in a longitudinal direction and a preliminary seedling supply position. , A spare seedling mount structure of a riding rice transplanter in which the posture can be changed between a seedling splicing position which is arranged directly above the upper end of the seedling mount provided in the planting section, The platform is provided with a pillar standing upright on one rear side of the driving section provided in the traveling section, a slide support frame rotatably mounted on the pillar around the main pillar, and a base slidably mounted on the slide support frame. It is formed of a frame and a spare seedling table main body which is formed to have substantially the same width as the lateral width of the seedling table of the planting part and which is attached to the base frame so as to be vertically rotatable by pivotally supporting the rear end edge. A spare seedling platform structure for a riding rice transplanter, which is characterized in that