JPH0742262Y2 - Fertilizer application equipment for mobile agricultural machinery - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial field of application> The present invention relates to a fertilizer application device for a mobile agricultural machine, and more particularly to a fertilizer application device that performs two-stage fertilizer application for side strips and deep layers.

<Prior Art> Conventionally, for example, in paddy working machines such as rice transplanters, fertilizers for growing planted seedlings are applied at the same time as the planting work. And, this fertilizer is divided into two stages, side row fertilization applied at a shallow position and deep fertilization applied at a deep position so that the effect of the fertilizer varies depending on the growth of the planted seedlings. It was invented.

When performing two-stage fertilizer application, two fertilizer applicators for side-row fertilizer application and deep-layer fertilizer application are provided, and fertilizer is applied by discharging fertilizer from each of these devices.

<Problems to be solved by the invention> However, in the case of performing the two-stage fertilizer application as in the above-mentioned conventional method, the machine is equipped with two fertilizer applicators for the side strip and the deep layer, and the mounting position of the fertilizer applicator is set. Depending on the situation, there was a drawback in that the balance of the fuselage became poor and the running stability decreased.

Further, if the fertilizer applicators for side-row fertilizer application and deep-layer fertilizer application are provided close to each other, there is a problem that troubles such as mistaken connection during piping and wiring are likely to occur.

<Means for Solving the Problem> The present invention for solving the above problem is a delivery device 21, 4 for delivering the fertilizer mounted on the machine body 1 side to the work site.
7 and the speed change devices 23, 49 of the delivery devices 21, 47, the fertilizer application device 4
0 and 42, and the fertilizer applicators 40 and 42 are separately provided in the side-row fertilizer applicator 40 and the deep-layer fertilizer applicator 42, the side-fertilizer applicator 40 and the deep-layer fertilizer applicator 42 are provided on the left and right sides of the machine body 1. The fertilizer applicator 42 is installed on both sides of the seat 7
It is characterized by being attached to the rear body frame 66.

<Operation> The fertilizers mounted on the machine body 1 are fertilized by the delivery devices 21 and 47. The transmissions 23 and 49 take power from the drive system of the machine body 1, appropriately change the speed, and transmit the power to the transmission devices 21 and 47. These devices 23, 49, 21, 47 are provided in the side-row fertilizer applicator 40 and the deep-layer fertilizer applicator 42, respectively. Then, the lateral strip fertilizer application device 40 is attached to one side of the machine body 1, and the deep layer fertilizer application device 42 is attached to the other side of the machine body 1, whereby the left-right balance of the machine body 1 is stabilized.

<Embodiment> An embodiment of the present invention will be described in detail below with reference to the drawings.

FIG. 2 is an overall side view of a riding rice transplanter equipped with the device of the present invention. Airframe 1 supported by front wheels 2 and rear wheels 3
A planting work machine 5 is attached to the rear of the so as to be able to move up and down. A seat 7 is attached slightly rearward of the center of the machine body 1, a step 8 is formed on the front side of the seat 7, and a lower cover 9 is attached to the lower side of the seat 7 to cover a mechanism such as a hydraulic operation lever. Has been. The link mechanism 13 that supports the working machine 5 includes an upper link 11 that is installed in the center.
And a pair of left and right lower links 12, and is driven up and down by a hydraulic cylinder.

A fertilizer tank 15 is mounted on the left and right ends of the front of the machine body 1, and a supply hose 17 for supplying fertilizer to the sub-tank 19 of the delivery device 21 is connected to the bottom of the fertilizer tank 15. The delivery device 21 is a device that delivers the fertilizer accumulated in the sub-tank 19 in the discharge direction. In the device of the present embodiment, the delivery device 21 is a constant capasty pump.

As shown in FIG. 1, the delivery device 21 is fixed to the lower left side of step 8, and a transmission device 23 that gives a driving force to the delivery device 21 is also mounted near the delivery device 21. The speed change device 23 receives power from the PTO shaft 24 that transmits power to the work machine 5, changes the speed to a desired driving force, and inputs the power to the sending device 21. Transmission 23
On the upper surface of the
An auxiliary transmission lever 27 is provided that switches between high speed and low speed.

The delivery ports of the delivery device 21 are provided according to the number of rows to be planted, and the number of the delivery ports of the device of this embodiment is six. A distribution hose 29 is connected to each delivery port of the delivery device 21. On the other hand, an indicator 31 for detecting the feed state of fertilizer is attached to the lower link 12 on the left side, and the respective distribution hoses 29 are connected thereto. A valve 33 is provided downstream of the indicator 31.
Are attached respectively, and the feed of fertilizer is controlled by the valve 33. Reference numeral 34 indicates a switching lever 34 for operating the valve 33.

The distribution hose 29 that extends further from the valve 33 is a lower link.
It reaches the working machine 5 through 12 and is connected to the upper end of a guide pipe 37 which is swingably supported to the side of each planting portion.

The lower end of the guide pipe 37 extends below the float 39 and reaches the soil in the planting work state.

The fertilizer delivered by the delivery device 21 is guided by the guide pipe 37 and applied to the soil.

The fertilizer applicator described above is the lateral strip fertilizer applicator 40 for fertilizing the shallow part on the lateral side of the seedling, and the deep fertilizer applicator 42 for fertilizing the deep part will be described below.

The deep-layer fertilizer application device 42 is composed of a delivery device 47 and a transmission device 49, similarly to the side-row fertilizer application device 40, and includes a fertilizer tank 41, a guide pipe 63, and a guide pipe 63.
An indicator 57, a valve 59, etc. are connected.

The mounting structure of each of the above configurations will be described with reference to FIGS. 3 to 5. Each structure is mainly attached to the right side of the machine body 1 on the side opposite to the side-row fertilizer application device 40. The pillars that support the seat 7 are members that form the body frame 66. A frame 67 extending rightward is fixed to the right column 65, and a mounting plate 68 is fixed to the tip of the frame 67 by welding. The mounting plate 68 is fixed by stacking the support plate 69 thereon. The sending device 47 and the transmission device 49 are previously mounted on the support plate 69, and these can be mounted on the machine body 1 as one body. ing. As a result, the sending device 47 and the transmission 49 are provided on the right side of the machine body 1.

A tank support frame 70 is welded to the right side surface of the support plate 69, the tank support frame 70 avoids the rear step 10 and extends upward to support the rear end of the fertilizer tank 41. The front end of the fertilizer tank 41 is supported by a tank support frame 71 erected on the machine frame 66 and fixed to the right side of the seat 7. A mounting member 72 is provided on the left side surface of the support plate 69.
Is welded. The mounting member 72 extends from the support plate 69 toward the machine body, and has a mounting portion 73, which is a plate formed in an arc shape as shown in FIG. 4, at the tip thereof. Bolts project from both ends of the mounting portion 73, and the two bolts penetrate the transmission 49 through the lower part and tighten and fix the transmission 49. Further, a connection mounting plate 75 is attached and fixed to the side surface of the transmission device 49, and a delivery device 47 is attached and fixed to the connection mounting plate 75 extending rearward.

The delivery device 47 is provided with three delivery ports toward the outside, and the distribution hoses 55 are connected thereto.

The sending device 47 and the transmission 49, which are attached with the above-described structure, are located on the rear right side of the seat 7, and the shift operation can be easily performed from the seat 7. Further, since the machine body 1 can be attached after the sending device 47, the transmission 49, etc. are integrally attached to the support plate 69, there is an advantage that the assembly can be performed easily and quickly, and it is also attached to a ready-made rice transplanter or the like. Is possible.

The distribution hose 55 reaches the guide pipe 63 via the indicator 57 and the valve 59. The indicator 57 is fixed on the lower link 12 on the right side. Since the indicator 31 and the indicator 57 are also attached separately to the left and right, the guide pipe 37 and the guide pipe 63 can be piped without getting confused, and the left and right balance of the link mechanism 13 itself is stable. Can be raised and lowered horizontally.

The guide pipe 63 is supported by the center of a float 39 provided in the lower part of the working machine 5, penetrates the float 39, and extends downward. As shown in FIG. 2, the lower end of the guide pipe 63 is located below the guide pipe 37 for side strips, and fertilizer is applied to a deeper layer. Further, the fertilizing position is a position equidistant from the seedlings on both sides, as shown in FIG.

Next, the transmission system of the sending device 47 will be described. As shown in FIG. 4 and FIG. 5, three input shafts 77a, 77b, 77c project toward the fuselage side of the feeding device 47, and the sprockets 79a, 79b, 79c, 79d, 79e can rotate integrally with each of them. Is fixed as. Sprocket 79b, 79c and sprocket 79
Chains 82a and 82b are wound around d and 79e, respectively, and rotational forces of the same speed are simultaneously input. An output sprocket 81 is fixed to the output shaft 80 protruding from the transmission 49, and a chain is provided between the sprocket 79a of the input shaft 77a.
82c is wrapped around.

The rotation speed of the output sprocket 81 is switched by the switching operation of the transmission 49. The transmission 49 is operated by the main transmission lever 51 and the auxiliary transmission lever 53 as in the transmission 23 of the lateral fertilizer application device 40, and the transmission ratio is the same as that of the transmission 23. Input to the transmission 49 is made by the input gear 83. A bracket 85 is provided at the front end of the connection mounting plate 75, and the transmission gear 89 and the sprocket 90 are provided at the front and rear ends of the bracket 85.
A shaft 87 to which is attached and fixed is rotatably supported. The transmission gear 89 meshes with the input gear 83.

On the other hand, in the connecting portion 94 of the PTO shaft 24 supported by the support column 65, P
Output sprocket 96 that rotates integrally with the drive of the TO shaft 24
Is attached. Then, the driving force of the PTO shaft 24 is transmitted to the sprocket 90 via the chain 82d, and the transmission 4
Entered in 9. Reference numeral 98 indicates the work machine side PTO connection portion 98. In this way, the power of the PTO shaft 24 is taken from the vicinity of the connection part 94, so if the work machine side connection part 98 is removed, the chain
The 82d can be easily attached and removed, and it can be retrofitted to a ready-made rice transplanter.

The deep fertilizer applicator 42 and the lateral strip fertilizer applicator 40 described above may be attached at left and right opposite positions.

<Effect of the device> According to the device of the present invention configured as described above, since the side-row and deep-layer fertilizer applying devices are provided on both sides of the machine body, the left-right balance of the machine body is good. The running performance and workability are stable.

In addition, it is possible to use the entire space of the aircraft effectively by distributing it to the left and right, and since it is possible to install it in a place with space, it is easy to install. There is.

On the other hand, as compared with the case where the side-row fertilizer applicators and the deep-layer fertilizer applicators are mounted at the same place, there are advantages that, for example, mistakes are less likely to occur in piping and wiring work and troubles are reduced.

[Brief description of drawings]

FIG. 1 is a plan view of a rice transplanter showing a mounting position of the device of the present invention, FIG. 2 is an overall side view of the rice transplanter, and FIG. 3 is a partial rear view of the rice transplanter showing a mounting structure of a deep fertilizer application, FIG. 4 is a side view of the deep fertilizer application, and FIG. 5 is a plan view of the same. 1: Airframe, 7: Seat 21: Delivery device, 23: Transmission device 40: Side fertilizer application device, 42: Deep fertilizer application device 47: Delivery device, 49: Transmission device 66: Airframe frame

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Creator Ryoji Sugihara 667 Isuyacho, Higashi Izumo-cho, Yatsuka-gun, Shimane Prefecture 1 Inside Mitsubishi Agricultural Machinery Co., Ltd.

Claims (1)

[Scope of utility model registration request] 1. A delivery device (21), (47) for delivering a fertilizer mounted on a side of a machine body (1) to a work site, and a transmission (23), (of the delivery device (21), (47). 49) and fertilizer application devices (40) and (42), and the fertilizer application devices (40) and (42)
In a structure in which the side strip fertilizer application (40) and the deep layer fertilizer application (42) are separately provided, the side strip fertilizer application (40) and the deep layer fertilizer application (42) are provided on both left and right sides of the machine body (1). A fertilizer applicator for a mobile agricultural machine in which the deep fertilizer applicator (42) is arranged in a distributed manner and attached to a machine frame (66) behind the seat (7).