JPH0361404A - Riding type seedling planter with fertilizer applicator - Google Patents

Abstract

PURPOSE:To enable fertilizer supply with hardly any care about raining in rainy weather or the like and improve operating efficiency by providing a part to be located under a seedling carrier in upwardly moving a seedling planter of a riding type mobile car body with a fertilizer application tank. CONSTITUTION:A seedling planter having a seedling carrier 3 is vertically movably mounted through a link mechanism 2 at the back of a riding type mobile car body 1. When a fertilizer applicator 5 is mounted on the riding type seeding planter, a part to be located under the seedling carrier 3 in upwardly moving the seedling planter 4 of the riding type mobile car body 1 is provided with a fertilizer application tank 6. That is, the upper part of the fertilizer application tank 6 is covered with the seedling carrier 3 simply by upwardly moving the seedling planter 4 in supplying the fertilizer. For example, the fertilizer can be supplied with hardly any care about raining in rainy weather or the like and operation efficiency thereof is extremely improved.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a passenger-type traveling vehicle body, and more particularly to a small and lightweight passenger-type traveling vehicle body with excellent running stability.

[Prior art and its iI! Title]

As for this conventional technology, there is a riding type seedling planting machine with a fertilizing device that has a fertilizing tank installed at the rear of the riding type running vehicle body, but if granular fertilizer etc. gets wet with water, it will cause fertilizer clogging and prevent proper fertilizing work. As the fertilizer runs out, workers have to take great care in supplying fertilizer to the fertilizer application equipment.

[Means to solve the problem]

In order to solve the above-mentioned problems, the present invention has been developed to provide a seedling planting bag having a seedling stand 3 attached to the rear part of a riding vehicle body 1 via a link mechanism 2.
A fertilizer bag is attached to a riding-type seedling transplanter equipped with 4 that can be moved up and down! Fertilization tank 6 is provided in a portion located below the seedling platform 3 when the seedling planting device iR4 of the riding vehicle body 1 is moved upward. This is a riding-type seedling transplanter with an attached device.

〔Effect of the invention〕

In this invention, when the seedling planting device 4 of the riding vehicle body 1 is moved upward, a fertilizing tank 6 is placed in a portion located below the seedling platform 3.
. . is provided, so that by simply moving the seedling planting device 4 upward when supplying fertilizer, the upper part of the fertilization tank 6 . , fertilizer can be supplied without worrying too much about rain, and the work efficiency is very high.

〔Example〕

DESCRIPTION OF THE PREFERRED EMBODIMENTS A riding-type rice transplanter, which is an embodiment of the present invention shown in the drawings, will be described below.

The engine 10 is a passenger-type traveling vehicle body, in which an engine 10 is mounted on the upper surface of the center part in the longitudinal direction of the left and right frames 8 and 9 constituting the fuselage 7, and a traveling mission case 11 is fixed to the left side of the engine 0 with bolts. However, the engine 10 and the traveling transmission case 11 have a so-called direct connection type configuration. This traveling transmission case 11 includes a gear shift lever 1.
2, a transmission mechanism for changing the rotational driving force of the engine 10 and a front wheel differential mechanism are built-in.

Reference numeral 13.13 denotes left and right front axle cases, which are fixed to the left and right side portions of the traveling transmission case 11.

Reference numeral 14.14 denotes a left-right steering front wheel, which is fitted into the lower part of the left and right front axle cases 13.13 and is pivoted on steering cases 16, 16 which are rotated by a steering handle 5, which will be described later.

】-7 is a transmission case for operation having a speed change gear inside, and is fixed to the front ends of both the left and right frames 8 and 9, and the handle post 8 is fixed to the upper part of the transmission case. A control handle 15 is provided at the upper end. And, at the bottom of the control transmission case F,
A linkage 9 as a steering transmission mechanism is provided whose rear end is connected to the left and right steering cases 16, 16, and when the steering handle 15 is turned, the left and right The steering case 16.degree. 16 is configured to rotate around a vertical axis so that the left and right steering front wheels 2, 2 change direction.

Reference numeral 20 denotes a rear wheel drive case, which is fixed to the rear end portions of both the left and right frames 8.9, and the left and right rear wheels 21. ．． 21 is mounted on a shaft.

22 is a transmission shaft that transmits power from the traveling transmission case 15 to the rear wheel drive case 20.

The transmission mechanism inside the rear wheel drive case 20 includes left and right side clutches and left and right side brakes for the left and right rear wheels 21 and 21, and left and right clutch pedals 23 provided in front of the engine 10. .24, the left and right side clutches are disengaged and the left and right side brakes are activated. That is, the driving rear wheel 2 on the side where the left and right clutch pedals 23 and 24 are depressed
The drive of the 1°21 is stopped and the brake is applied.

Reference numeral 25 denotes a vehicle body cover molded from FRP, which includes a part of the engine cover 25a that covers the periphery of the engine 10, steps 25b provided in front of the engine 10 and on the left and right sides, a control seat 25c, and a control seat 25c, which will be described later. Fertilization system 5! 5 of 4
Two fertilizer tanks 6 are integrally formed and fixed on the left and right frames 8 and 9. The pilot seat 25c has a backrest 25C' and a drain groove 25 to drain rainwater, etc.
c” is provided.

Reference numeral 26 denotes a spare seedling stand formed in the shape of a shallow box with a low plate and side parts, the inner surface of which is a seedling support part, and the base end of each is fixed to the left and right sides of the traveling transmission case 11. It is fixed to the upper end portions of the left and right preliminary raising frames 27° 27, and is configured so that a seedling raising box containing seedlings can be placed on a seedling tray inside the box.

2 is a link mechanism composed of an upper link 2a and a lower link 2b, and the upper link 2a and the lower link 2
The proximal end of b is pivoted to support frames 28, 28, 29°29 fixed to the left and right frames 8°9, respectively, by shafts 30 and 31, and the rear end allows the seedling planting device 4 to be rolled freely. A shaft 34 is attached to a vertical frame 33 provided with a supporting rolling shaft 32.
, 35. The shaft 34 is supported in the long hole 2a' of the upper link 2a so as to be movable back and forth, and is biased forward by a spring 36. So, seedling planting 5! !
4 is in the seedling planting state (lowered state), the 1st
As shown by the solid line in the figure, the shaft 34 is connected to the long hole 2a' of the upper link 2a.
The seedling planting device 4 moves up and down in parallel, but when the seedling planting device 4 is at the maximum raised position, the shaft 34 is moved into the long hole of the upper link 2a by the weight of the seedling planting device 40 and the biasing force of the spring 36. Moving to the front part 2a', the seedling planting device 4 is tilted forward so that the upper part of the seedling platform 3 covers the upper part of the fertilization tank 6, as shown by the dotted line.

37 is a hydraulic cylinder device, the base of the cylinder is pivotally connected to the rear side of the traveling transmission case 15, and the rear end of the piston is pivotally connected to the swing arm 2C integrated with the upper link 2a.

A front cover 38 is made of synthetic resin and covers the handle post 18, and is fixed to the upper surface of the front end of the step 25b. and.

The speed change lever 12 is provided on the upper part of the front cover 38.

39 is a main clutch pedal provided on the left side of the front cover 42.

A fuel tank 40 is fixed to the upper ends of support frames 28 and 28 fixed to the left and right frames 8.9, and is provided to supply fuel to the engine 10 through a fuel pipe 41. The fuel tank 40 is provided inside the backrest 25c' of the vehicle body cover 25.

The seedling planting device 4 includes a planting transmission case 43 that also serves as a frame and is mounted on the rolling shaft 32 of the vertical frame 33 so as to be freely rolling, and a lower support member 44 and an upper support member 45 provided on the planting transmission case 43. A seedling platform 3 is supported by the machine and reciprocated in the left-right direction of the machine, and a planting transmission case 43 is attached to the rear end of the seedling platform 3, and each seedling is divided from the lower end of the seedling platform 3 and planted in the field. For planting seedlings, use device 46...
A central soil leveling float 48 and left and right leveling floats 49, 49 are soil leveling bodies whose rear part is pivotally supported by a shaft 47 and whose front part is swingable up and down at the lower part of the planting transmission case 43.
It is composed of etc. The left and right leveling floats 49, 49 are respectively arranged behind the left and right driving rear wheels 21.21, and level the field disturbed by the left and right driving rear wheels 21. The field is constructed to level the ground in front of the field where seedlings are planted.

Reference numeral 5 denotes a fertilization device, which includes four fertilization tanks 6 formed integrally with the body cover 25 of the passenger-type car body 1.
The fertilizing tank 6 is attached to the lower part of each of the fertilizing tanks 6...
Four fertilizer dispensing devices 50 that dispense a fixed amount of granular fertilizer inside, four transparent fertilizing pipes 51 that guide the fertilizer dispensed by the fertilizer dispensing devices 50, and a central soil leveling float 48.・Four trenchers 52 that are fixed to the left and right leveling floats 49, 49 and that dig fertilization trenches in the field on the sides of the seedling planting position and guide the granular fertilizer guided by the fertilization pipe 51 to fall into the fertilization trenches. It is composed of...

The fertilization pipe 51 is divided into an upper pipe 51a and a lower pipe 51b which is slidably fitted onto the upper pipe 51a, and the seedling planting device 4 is moved up and down by the link mechanism 2. In this case, the length of the external fertilizing pipe 51 is automatically changed, and the fertilizing pipe 51 is configured to always be in a straight line so that the granular fertilizer is appropriately guided down the fertilizing pipe 51. In addition, each fertilizer tank 6...
A lid 6a... is provided on the top of the lid 6a, the rear part of which is fixed with a metal fitting 6b, so that the front part can be opened and closed.

Reference numeral 53 denotes a fertilizer transmission case fixed to the left and right frames 8 and 9, which connects the driving transmission case 11 to the transmission shaft 5.
Power is transmitted through the fertilization transmission case 53, and a rotary arm 55 provided on the side wall of the fertilization transmission case 53 is rotated. The rotation of the rotary arm 55 is transmitted to the driving arm 57 of the fertilizer dispensing device 50 through the iron 56, and the fertilizer dispensing device 50 is configured to dispense a fixed amount of granular fertilizer from the fertilizer tank 6. There is.

58 is a PTO transmission shaft having universal joints 59, 59 at both ends, and is provided to transmit the power of the fertilization transmission case 53 to the planting transmission case 43 of the seedling planting device 4.

6o is a hydraulic valve provided between the front upper surface of the central soil leveling float 48 and the planting transmission case 43, and when the front portion of the central soil leveling float 48 is lifted by an external force to an appropriate meter radius or more, the central soil leveling float 48 starts traveling. The transmission case 11 is driven by a hydraulic pump 61 attached to the left side of the mission case 11.
Pressure oil pumped from inside is sent to the hydraulic cylinder 37 to project the piston, move the link mechanism 2 upward, and raise the seedling planting device 4 to a predetermined position. When the pressure drops above this level, the pressure oil in the hydraulic cylinder 37 is returned to the traveling transmission case 11, the link mechanism 2 is moved down, and the seedling planting device 4 is lowered to a predetermined position. When the seedling planting device 4 is in a proper range (when the seedling planting device 4 is in a proper predetermined position), the pressure oil in the hydraulic cylinder 37 is stopped from flowing in and out, and the seedling planting device 4 is held at a fixed position.

Reference numeral 62 denotes an operating lever that protrudes from the vehicle body cover 25 and is provided on the right side of the operator's seat 25c, and is used to operate the PTO clutch that connects and disconnects the power that drives and rotates the transmission shaft 54 that is provided in the upper part of the traveling transmission case 1. The device is configured so that the power to the fertilizing device 5 and the seedling planting device w4 can be controlled manually, and the device is also configured to be able to manually move the seedling planting device 4 up and down by operating a hydraulic valve 60. . That is,
When the operating lever 62 is pushed forward, the PTO clutch is engaged and the fertilizing device 5 and the seedling planting device 4 are driven, and the hydraulic valve 6 is activated.
0 is an automatic control state that can be switched by vertical movement of the central leveling float 48. Conversely, when the operating lever 62 is pushed backward, the PTO clutch is disengaged, stopping the operation of the fertilizing device 5 and the seedling planting device 4, and forcing the hydraulic valve 60 to close the seedling planting device 4.
is switched to the rising side, and the seedling planting device 4 is raised.

When the operating lever 62 is moved to the middle position of its operating stroke, the PTO clutch is disengaged, the operation of the fertilizing device 5 and the seedling planting device 4 is stopped, and the hydraulic valve 60 stops the flow of pressure oil into and out of the hydraulic cylinder 37, thereby removing the seedlings. The seedling planting device 4 is switched to a position where the seedling planting device 4 is held at a constant position, and the seedling planting device 4 is held at the position when the operating lever 62 is operated to the intermediate position, and the seedling planting device 4 neither rises nor descends.

63 is a reinforcing frame provided between the rear side of the traveling transmission case 11 and the front side of the rear wheel sliding case 20.

64 is a deblock pedal of a front shaft differential mechanism in the transmission system of the driving front wheels 14, 14, and is provided in front of the engine 10.

In addition, the machine frame 1 consists of the left and right frames 8.・A control transmission case 6 that integrally connects the left and right frames 8 and 9.
It is composed of a traveling transmission case 11, a rear wheel drive case 20, and a reinforcing frame 63.

The riding-type rice transplanter configured as described above is placed in a paddy field, the seedlings are placed on the seedling stand 3, the seedling box containing the seedlings is placed on the preliminary seedling stand 26, and the engine 10 is turned on. When the machine is started and the operating lever 62 is pushed forward to drive each part and move the machine forward, the seedling planting device 4 is automatically controlled up and down to an appropriate position and rice planting work is performed.

At that time, fertilization W! 15, granular fertilizer is applied to the field on the side of the seedling planting position.The passenger type car body 1 has a quick-action front M14, 14 and a drive rear wheel 21, 21 at the bottom of the body 7. and the drive steering front wheels 14. in side view. The engine 10 is installed on the secondment of the engineer 4, and a control seat 25c is installed above the engine 10.
A steering transmission case 6 is provided at the front ends of the left and right frames 8, 9 in front of the engine 10, and a seedling planting device 4 is attached to the rear of the engine 10 via a link mechanism 2. 21.21, and the front part of the fertilization tank 6 is interposed between the pilot seat 5 and the spare seedling platform 4 in plan view, so the front-to-back balance of the aircraft is very good. It has a small and lightweight structure with a short front-to-back length and excellent running stability, and has good maneuverability when planting seedlings or driving on the road.The turning radius is also small, so there is no area left for planting seedlings at the edge of the ridge. The small size allows for efficient seedling planting work.

In addition, spare seedling stands 2 are provided on the left and right sides of the pilot seat 25c.
Fertilizer tank 6 is located lower than the seedling resting area of 6 and 26.
Since this is provided, when replenishing the seedlings from the preliminary seedling stands 26, 26 to the seedling stand 3, the fertilization tank 6 does not get in the way and the work of replenishing the seedlings can be carried out efficiently.

The vehicle body cover 25 includes an engine cover part 25a, a step 25b, a control seat 25c, a fertilizer tank 6, and so on.
Since the body cover 25 is integrally formed, the manufacturing cost is low, and when the vehicle body cover 25 is configured to be detachable from the body 7 with a single touch using a hook etc., the above-mentioned engine cover The part 25a, the step 25b, the operator's seat 25c, and the fertilization tank 6 can be attached and detached into one body, making maintenance of the machine easy.

In particular, when the fertilizer in the fertilizer tank 6 of the fertilizer application device 5 becomes low, when the machine is stopped and the seedling planting device 4 is moved upward, the upper part of the fertilizer tank 6 is covered with the seedling platform 3. Therefore, even in rainy weather, fertilizer can be supplied without worrying too much about rain, and the work efficiency is very high.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention; FIG. 1 is a side view, FIG. 2 is a plan view, and FIG. 3 is a perspective view of the main parts. Note that the symbols in the figure are as follows. l...Passenger type traveling vehicle body 2...Link mechanism 3...
・Seedling stand 4...Seedling planting device 5...Fertilizing device 6...Fertilizing tank representative Eihisa Mizuta

Claims (1)

[Claims] (1) When the fertilizing device 5 is installed in a riding-type seedling transplanter in which a seedling-planting device 4 having a seedling platform 3 is attached to the rear of a riding-type traveling vehicle body 1 via a link mechanism 2 so as to be movable up and down, the riding-type A riding-type seedling planting machine with a fertilizing device is characterized in that a fertilizing tank 6 is provided in a portion located below a seedling platform 3 when the seedling planting device 4 of a traveling vehicle body 1 is moved upward.