JPH0613630Y2 - Fertilizer spraying equipment - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a fertilizer spraying device which is mounted on a towing vehicle and sprays fertilizer on agricultural land.

[Conventional technology]

As is well known, in order to apply granular or powdered fertilizer to agricultural land, it is loaded on a towing vehicle that is generally used for agricultural work, such as a transport vehicle, a universal work vehicle, or a tactor, and is applied. Such a towing vehicle is usually equipped with a falling type or scraping type fertilizer applying device for spraying loaded fertilizer, and the fertilizer stored in a hopper or the like is mechanically sprayed from a fertilizer bag. However, such a fertilizer spraying method and spraying device have a problem that the fertilizer cannot be sprayed easily and inexpensively according to the scale of the agricultural land.

To solve such a problem, a holder for holding the end of the fertilizer bag having the spray holes formed on the side opposite to the spray hole side, and the fertilizer bag being loosened from the towing vehicle through the holder. A fertilizer spraying device is proposed, which is provided with a suspension support that freely suspends in a grounded state and a buffer member that buffers the grounding surface of the fertilizer bag in the holder, and that pulls the fertilizer bag over the agricultural land and sprays it. Or the use is tried.

[Problems to be solved by the device]

However, even with the above-mentioned conventionally proposed technique, there is a problem that has not yet been solved. That is, the fertilizer bag held in the above-mentioned holder is a standard product for fertilizer distribution, and its size varies depending on the type of fertilizer contained and the type of fertilizer manufacturer. Therefore, the cushioning member that cushions the ground plane of the fertilizer bag cannot have a length that is necessary and sufficient to properly cushion a plurality of types of fertilizer bags having different sizes. For this reason, if the cushioning member is too long compared to the fertilizer bag, the discharge of fertilizer from the spraying holes will be weakened and it will not be sprayed properly on the agricultural land, and conversely if the cushioning member is too short. Has a problem that the fertilizer bag ground surface is damaged and the fertilizer leaks inappropriately during the application, and in either case, the fertilizer cannot be applied to the agricultural land evenly and efficiently.

[Means for Solving the Problems]

The present invention has been made in view of the above circumstances, and a means for that is a holder for holding the end of the fertilizer bag on the side opposite to the spray hole side, in which the spray holes are formed, In a fertilizer-spreading device, which comprises a suspension support that suspends the fertilizer bag from a towing vehicle via a retainer and grounds the suspension, a cushioning member that buffers the ground surface of the fertilizer bag is long in the retainer. This is because it is adjustable.

[Action]

According to the above-mentioned means, the fertilizer bag having the spray holes is held by the holder at the end opposite to the spray hole side, and the suspension tool is grounded by the towing vehicle through the holder. Suspended. In addition, since a buffer member for buffering the grounding surface of the fertilizer bag is attached to the holder in an adjustable length, the buffer member is too long or short for a plurality of types of fertilizer bags having different sizes. Buffer without overdoing. In this case, when the index car is moved, the fertilizer is discharged from the spray holes formed in the fertilizer bag without being depressurized by the buffer member, and the ground surface of the fertilizer bag is necessary and sufficient by the buffer member. It is buffered and not damaged, and the fertilizer is efficiently applied to the agricultural land without improperly leaking the fertilizer during the application.

〔Example〕

A first embodiment of the present invention will be described below with reference to FIGS.

As shown in FIGS. 1 and 2, the fertilizer spraying device 1 includes a holder 4 for holding and holding the other end 3b of a fertilizer bag 3 formed by cutting out one or more spray holes 2 at one end 3a. And the holder 4
The fertilizer bag 3 is grounded and freely movable via the towing vehicle 5
It comprises a suspending tool 6 which is suspended and supported, and a cushioning member 7 which is attached to the holder 4 and has a length d adjustable so as to cushion the grounding surface 3c of the fertilizer bag 3 in a necessary and sufficient manner.

The holder 4 for holding the other end 3b of the fertilizer bag 3 has, as shown in FIG. 2, a locking hole 8 formed at two positions with a gap on one side and a groove 9 formed on the other side. A holding plate 10, a rod 11 having an outer diameter that can be fitted into the groove portion 9, and one end of the holding plate 10 rotatably attached via a bolt 12, a washer 13 and a nut 22, and It comprises a holding lever 14 capable of pressing and holding the rod body 11 in the groove portion 9 at a rotational position straddling the groove portion 9. Further, the rod body 11 is attached to the fixing ring 16 fixed to the holding plate 10 via the mounting plate 15, and is vertically moved with respect to the holding plate 10.

As shown in FIG. 1, the suspending tool 6 has a locking hole 8 in the holding plate 10.
A plurality of hooks 17 that engage with each other are fixedly arranged at equal intervals, and a plurality of holding tools 4 can be locked in parallel in the longitudinal direction, and a lower end of the locking bar 18 is fixed to the locking bar 18. Two link chains 19 and a clamp member 20 for removably attaching the upper ends of the two link chains 19 to the towing vehicle 5.
Consists of.

On the other hand, the cushioning member 7 attached to the above-mentioned holder 4 and cushioning the ground contact surface 3c of the fertilizer bag 3 is flexible and bendable as shown in FIGS. 2 and 3. It is made of rubber or synthetic resin material having abrasion resistance, and its outer shape is molded into a rectangular plate. At the time of pulling the front end portion 7a of the cushioning member 7 (hereinafter referred to as the front end portion), two elongated holes 21 are formed at a predetermined interval so as to penetrate therethrough.
When pulling the front end 7a so that 21 are superposed on each other
It can be bent toward 7b (hereinafter referred to as the rear end). Further, the bolt 12 is provided with a diameter that can be inserted into the elongated hole 21, and is provided with a length that penetrates the holding lever 14 and the holding plate 10. Further, the outer diameter of the nut 22 screwed into the bolt 12 is the elongated hole 21. It has a larger diameter.

Next, use of the above embodiment will be described.

First, the front end portion 7a of the cushioning member 7 is bent according to the size of the fertilizer bag 3, and the rear end portion 7b is bent so that the rear end portion 7b approaches the spray hole 2 to adjust the length d. Next, the lower end of the bolt 12 penetrating the holding plate 10 is attached to the two overlapped long holes of the buffer member 7.
Insert each into 21 and tighten and fix with nut 22 from below.
Next, in order to hold the fertilizer bag 3 on the holder 4, as shown in FIG. 2, the other end 3b of the fertilizer bag 3 is placed on the groove 9 of the holding plate 10, and then the rod 11 is fertilized. The bag 3 is fitted into the groove 9 from above, and the holding lever 14 is rotated to a position where it crosses the groove 9. Furthermore, when the locking hole 8 of the holding plate 10 is locked to the hook 17 fixedly arranged on the locking rod 18, the fertilizer bag 3 is free to move from the towing vehicle 5 and is in a grounded state as shown in FIG. Suspended.

In this way, the fertilizer bag 3 is attached to the locking rod 18 via the holder 4.
, But even after mounting, the nut 22 is loosened to extend the rear end 7b of the cushioning member 7, or the front end 7a is further folded and the nut 22 is refastened.
The length d can be adjusted.

Next, a second embodiment and a third embodiment of the present invention will be respectively described as a fourth embodiment.
It will be described with reference to FIGS.

Incidentally, regarding the same constituent members as those in the above-mentioned first embodiment,
The same reference numerals are given below and the description thereof is omitted.

In the second embodiment of the present invention, as shown in FIG. 4, a plurality of through holes 23 are formed in two rows at the front end portion 7a of the cushioning member 7 at intervals. The front end portion 7a of such a cushioning member 7
Is bent so that the two through holes 23 opened at different positions in the same row are aligned with each other, and the bolt 12 is inserted into the through hole 23 and fastened with the nut 22, the buffer member 7 is held at an appropriate length d. Can be installed on. In this case, the nut 22
Since the bolt 12 is inserted into the through hole 23, the length d of the cushioning member 7 does not change even if the bolt 12 and the bolt 12 are slightly loosened due to vibration during spraying.

In the third embodiment of the present invention, as shown in FIGS. 5 (a) and 5 (b), both side and center portions of the front end portion 7a of the flat plate-shaped cushioning member 7 are notched with a predetermined width. And two engaging pieces 24 are formed. This way, the engagement piece
24 is inserted between the rod body 11 and the groove portion 9 of the holder 4 without being caught by the bolt 12 or the mounting plate 15 of the holder 4, and the cushioning member 7 is laid under the fertilizer bag 3 described above. ,
The fertilizer bag 3 can be sandwiched and held by the holder 4, and the cushioning member 7 can easily adjust the length d according to the size of the fertilizer bag 3 to cushion the grounding surface 3c as necessary and sufficient. You can

In the above-described first to third embodiments, the cushioning member 7 is shown to be made of a flexible material as a whole, but only the front end portion 7a that needs to be bent to adjust its length. A flexible member may be used for the rear end portion 7b that does not need to be bent, and a highly rigid member such as a metal plate may be joined to the flexible member for use. .

[Effect of device]

As is clear from the above description, according to the fertilizer spraying device of the present invention, the cushioning member that cushions the ground plane of the fertilizer bag is
Since the fertilizer bags of different sizes are provided with a necessary and sufficient length, the buffer member buffers the ground surface of the fertilizer bag regardless of the size of the fertilizer bag and disperses the fertilizer efficiently on the agricultural land. There is an advantage that it can be done and the fertilizer bag is not damaged.

[Brief description of drawings]

1 to 3 show a first embodiment of the present invention.
The figure is an overall perspective view showing a usage state, FIG. 2 is a partially exploded array view showing a mounting state of a cushioning member to a holder, FIG. 3 is a side view showing a use state, and FIG. 4 is a second embodiment. The top view which shows a buffer member, FIG. 5 shows 3rd Example, and FIG.
FIG. 5 is a plan view showing a state where the cushioning member is attached to the holder.
The figure (b) is the same side view. 1 ... Fertilizer spraying device, 2 ... Spraying hole, 3 ... Fertilizer bag, 3c ... Grounding surface, 4 ... Holder, 5 ... Tractor, 6 ... Suspension support, 7 ... Cushioning member , D …… Length.

Claims (1)

[Scope of utility model registration request] 1. A holder for holding an end portion of a fertilizer bag having a spray hole formed on the side opposite to the spray hole side, and the fertilizer bag being freely movable from a towing vehicle and grounded via the holder. In the fertilizer spraying device, which comprises a suspending tool that is suspended in a state, a buffer member that buffers the ground surface of the fertilizer bag is attached to the holder so that the length of the fertilizer spraying device is adjustable.