JPH0637621Y2 - Drop gutter up / down device in fertilizer seeding machine - Google Patents

Description

[Detailed Description of the Invention] (Industrial field of application) The present invention relates to a bellows hose connected to a fall gutter by raising a drop gutter of fertilizer and seeds in a fertilizer sowing machine when working, and lowering it when not working. The present invention relates to a drop gutter up-and-down device for slackening an item.

(Prior Art) For the falling gutter device in the conventional fertilizer sowing machine, see Sukeko 57-188.
Although there is a device described in Japanese Patent Laid-Open No. 88, a drop gutter lifting device of this kind is not found.

(Problems to be solved by the invention) The drop gutter device in the conventional fertilizer application seeding machine described above has a fertilizer drop gutter and a seed drop gutter in which fertilizers and seeds respectively fed from a receiving box at the lower end of a fertilizer and seed tank are placed. In the receiving box, the lower tip cylinders are fixed to the swing rod of the groove opener, and the fertilizer drop gutter and its tip tube, and the seed drop gutter and its tip tube of the bellows hose which has elasticity respectively. Both ends are fitted and fixed.

Therefore, the bellows hose is always kept at a fixed length which is appropriately stretched, and after a certain period of time, the bellows hose is adapted to the fixed length and does not shrink below the length. Therefore, the bellows hose does not shrink when the grooving device that moves up and down according to the unevenness of the ground during work rises, and the bellows hose is clogged with fertilizer and seeds. is there.

(Means for Solving the Problems) Therefore, in order to solve the above problems, the present invention pivotally supports the base (2) of the frame (1) of the fertilizer application machine by the horizontal axis (3). A fertilizer drop gutter (5) and a seed drop gutter (6) are attached to the tip of the arm rod (4), and the arm rod (4) and the frame (1) are linked (7) to the link mechanism (a),
A handle (9) is provided on one of the links (7) connected by (8), and the drop gutters (5) and (6) and the rocking rod (11) of the grooving device (10) therebelow are connected. Separately attached bellows hose (14) to fertilizer and sowing tip tubes (12) and (13),
Both ends of (15) were fitted and fixed.

(Operation) By operating the handle (9) up and down, the link (7),
(8) is opened and closed, the drop gutter (5), the arm rod (4) with (6) rises or descends about the horizontal axis (3), and the bellows hoses (14) and (15) are tensioned as required. Or slack.

(Embodiment) Explaining the structure of an embodiment of the present invention shown in the drawings, (1) is a horizontal rectangular frame of a multi-row fertilizer sowing machine, which has a three-point mast (16) provided on the central portion of the front end thereof. ) Is attached to the three-point link hitch (17) of the tractor.

(18) and (19) are seed and fertilizer tanks, which are arranged back and forth on the frame (1) in an appropriate number in the left-right direction, and are located at the lower ends of the tanks (19) and (18) ( The seed box (21) and the seed box (21) are projected rearward to open above the projecting portion. Reference numerals (22) and (23) denote front and rear rotation shafts, which are mounted side by side through the front and rear protrusions of the receiving boxes (20) and (21), respectively. Inbox (2
0) and (21) are equipped with stirring and feeding pieces, and the rear rotary shaft (23)
The scraping pieces are radially installed in the receiving boxes (20) and (21).

(5) and (6) are fall gutters for fertilizer and seeds, which are placed in the rear of the receiving boxes (20) and (21), respectively.
The lower part is bifurcated. Then, the fall gutter (5), (6)
Is an appropriate number of drop gutters (5), (6) such that four or six drop gutters (5), (6) form a set.
Connect by 4).

(A) shows a link mechanism that supports the drop gutters (5) and (6), and (2) is the money received by the link mechanism, which is erected on the middle portion of the frame (1) and A drop gutter (5) is attached to the tip of both side arm rods (4) whose base is pivotally supported by the horizontal axis (3) at the upper end.
Fix the lower part of (6). (7) and (8) are upper and lower links, one end of which is pivotally attached by a pin (25) and the other end of the upper link (7) is attached to the tip of the arm rod (4) and a lower link ( The other end of 8) is pivotally attached to the rear part of the frame (1) by pins (26) and (27), and a handle (9) is attached to its upper link (7).

(10) is an open groove device in which two are arranged in parallel below the receiving boxes (20) and (21) by making the front and rear sides thereof deviate from each other, and is composed of two discs that are rotatably supported, and the horizontal axis of the frame (1). The base part is pivotally attached to (28) and the middle part is attached to the tip part of the rocking rod (11) which is pressed downward by the spring (29). The cylinders (12) and (13) are arranged in front and rear, and fixed to the tip of the swing rod (11). (14) and (15) are flexible bellows hoses. Both ends of the bellows hose (14) are in the receiving box (20) and the front tube (12), and both ends of the bellows hose (15) are in the receiving box. (21) and the front tube (13) are fitted and fixed. Reference numeral (30) is a compression roller arranged behind the grooving device (10), and a swing rod (32) in which a base is pivotally attached to a horizontal shaft (28) and an intermediate portion is pressed downward by a spring (31). It is attached to the tip of the shaft. Reference numeral (33) is a wheel erected by axles (34) below both sides of the frame (1). Although not shown, the axle (34) and the front rotation shaft (22) are connected by a chain transmission mechanism to rotate back and forth. The shafts (22) and (23) are connected to the chain transmission mechanism (3
Connect by 5). (36) is a saucer.

Next, the operation will be described. When the handle (9) is pushed down as shown in FIG. 3, the links (7) and (8) are opened, and the drop gutter (5) and the arm rod (4) with (6) are rotated about the horizontal axis (3). Ascending, the bellows hoses (14), (15) are stretched and the drop gutters (5), (6) are locked in place.

So, put the machine in the field and put fertilizer in the tank (19).
When the seeds are respectively put into the tank (18), the operation of the tractor is started and the machine is moved forward, the wheel (33) is grounded to rotate from the axle (34) through the transmission mechanism to the rotary shaft (22), Since the (23) rotates, the fertilizer in the receiving box (20) of the tank (19) and the seeds in the receiving box (21) of the tank (18) are gradually separated by stirring and sending pieces of the rotating shaft (22). While stirring, send it into the rear protrusion of the receiving boxes (20), (21),
Drop gutters (5), (6) by scraping pieces of the rotating shaft (23)
Each of the fertilizers and seeds was spilled into the fall gutters (5) and (6) and split into separate bellows hoses (1
4), (15) and its tip cylinders (12), (13) and fall into the left and right grooving device (10). On the other hand, groove opener (10)
Digging into the soil moderately, the grooving device (10) and the compression roller (30) rotate on the ground, and the machine advances while moving up and down individually according to the unevenness of the ground.

Therefore, the fertilizer is applied from the front tube (12) and seeded from the front tube (13) into the groove formed by the groove opener (10), and then the pressure is applied while the soil is covered by the pressure roller (30) that follows. And the seeding work is completed.

Then, when not working, if the handle (9) is lifted as shown in FIG. 4, the links (7) and (8) are closed, and the drop gutters (5) and (6) arm rods (4) are attached. Is the horizontal axis (3)
The bellows hoses (14) and (15) connected to the drop gutters (5) and (6) descending about the axis of the slack and slacken.

On the other hand, in the state where the above-mentioned drop gutters (5) and (6) are lowered, when the amount of fertilizer and seeds to be fed out per unit area is measured before the work, as shown by a chain line in FIG. When the saucer (36) is placed on (4), the fertilizer for measurement and seeds fed from the rear protrusions of the receiving boxes (5) and (6) can be taken out into the saucer (36) for measurement. .

(Effect of the device) The drop gutter up-and-down device in the fertilizer-seeding machine of the present invention has the following remarkable effects.

(1) The drop gutter is arbitrarily raised or lowered by operating the handle. Therefore, (a) the handle can be easily operated and is easy to handle.

(B) If the drop gutter is lowered when not working or when storing the machine in storage, the bellows hose connected to the drop gutter will be in a contracted state, and fatigue due to expansion of the bellows hose will be small. Longer life.

(C) Since the saucer can be placed on the arm rod by lowering the drop gutter, the fertilizer for the measurement and the fertilizer for the measurement to be taken out when the feed amount of the fertilizer and the seed per unit area is measured before the work. The seeds are taken out into the saucer and measured, and the measurement is easy and convenient for the work.

(D) When the drop gutter is lowered, it is separated from the tank receiving box, so maintenance and inspection after use of the machine can be easily performed and cleaning is convenient.

(2) Since the drop gutter is moved up and down using the link mechanism,
The vertical work is light and smooth.

(3) It has a simple structure and can be manufactured easily and inexpensively.

[Brief description of drawings]

FIG. 1 is a side sectional view of a multi-row fertilizer sowing machine according to an embodiment of the present invention, FIG. 2 is a rear view of one side portion thereof, and FIGS. 3 and 4 are enlarged side views of essential portions of the same. , FIG. 3 shows a state in which the drop gutter is raised, and FIG. 4 shows a state in which the drop gutter is lowered. (A) ... Link mechanism, (1) ... Frame, (2) ...
… Receipt, (3) …… horizontal axis, (4) …… arm rod, (5) ……
Fertilizer drop gutter, (6) …… Seed drop gutter, (7), (8)…
… Link, (9) …… Handle, (10) …… Groove,
(11) …… Swing rod, (12), (13) …… Tip tube, (14),
(15) …… A bellows hose,

Claims (1)

[Scope of utility model registration request] 1. A fertilizer drop gutter and a seed drop gutter are attached to the tip of an arm rod whose base is pivotally supported by a horizontal axis for receiving a frame of a fertilizer sowing machine, and the arm rod and the frame are linked by a link mechanism. Both ends of the bellows hose are connected to each of the above-mentioned drop gutters and the fertilizer and seeding tip cylinders attached to the rocking rods of the grooving device below the drop gutters. Falling gutter up-and-down device in a fertilizer-seeding machine, which is fitted and fixed to each other.