JPH0745138Y2 - Fertilizer pipe mounting device in fertilizer applicator - Google Patents

Description

[Detailed Description of the Invention] (a) Field of Industrial Use The present invention relates to a fertilizer application pipe mounting device in a fertilizer applicator for fertilizing liquid fertilizer or granular fertilizer in a field.

(B) Conventional technology A conventional fertilizer applicator in which a sliding body is attached to the lower part of a machine frame, a fertilizer application pipe is attached to the slide object, and a delivery port of a feeder connected to a fertilizer tank is connected to the fertilizer application pipe through a hose. Is already known.

(C) Problems to be solved by the invention Although the fertilizer application tube of the known fertilizer applicator can be vertically adjusted to the sliding body, it cannot be laterally moved and adjusted, so the fertilizer application interval can be adjusted. could not.

Therefore, the fertilizer application tube is supported so that it can be moved laterally, and an opening wider than the fertilizer application tube is provided in the sliding body, and when the fertilizer application tube is inserted through this opening, the mud rides on the sliding body. Another problem occurred.

(D) Means for solving the problems In the present invention, a sliding body is attached to the lower part of the machine frame, a fertilizing pipe is attached to this sliding body, and the delivery port of the supply device connected to the fertilizer tank is connected to the fertilizing pipe. In the fertilizer applicator connected via a hose, the sliding body is provided with an opening having a width wider than the thickness of the fertilization tube, and the fertilization tube is inserted through the opening to be attached to the sliding body such that the lateral movement of the fertilizer can be adjusted, and the opening is formed. The above-mentioned problems have been solved by closing at least the side part of the part except the fertilizer tube with a removable or movable cover.

(E) Action When setting the interval between fertilizer application tubes, the fertilizer application tube is inserted into an appropriate position of the opening, and the opening left on the side of the fertilizer application tube is closed by a cover.

When adjusting the interval between fertilizer tubes, remove the cover on the side to be moved and set the fertilizer tube by moving it laterally.
The cover is moved to the other side of the fertilizer application tube to close the opening where the fertilizer application tube was located.

During the fertilizer application, regardless of the position of the fertilizer application, the wide openings are closed on both sides of the fertilizer application to prevent mud from climbing onto the sliding body as much as possible.

(F) Embodiment An embodiment of the present invention will be described with reference to the drawings, in which 1 is a fertilizer pump mounted on a machine frame 2, and a front frame 3 of the machine frame 2 is not shown but is connected to the top link and the left and right sides. The lower case is connected to a towing vehicle, for example, a tractor, and a transmission case 5 driven by the PTO shaft of the towing vehicle is provided in the front portion thereof.
(Or an electric motor) is attached, and the continuously variable transmission is composed of a drive split pulley 6, a driven shaft pulley 7 and a V belt 8 wound around them, and the sprocket 6b of the input shaft 6a of the drive split pulley 6 is the aforementioned transmission. The sprocket 5a of the output shaft of the case 5 is driven through the chain 9, and one sprocket of the shaft (output shaft) 7a of the driven split pulley 7 drives the sprocket of the fertilizer pump 1 through the chain 10.

Reference numeral 11 denotes a fertilizer tank mounted on the machine casing 2, a suction hose connected to the discharge port thereof is connected to the suction port of the fertilizer application pump 1, and a plurality of hoses 13 connected to the discharge port of the fertilizer application pump 1 are It is connected to the fertilizer pipe 15.
Is attached to a bracket 2b hanging from a support frame 2a integral with the machine frame 2 together with a sliding body 14, and a pair of left and right Coulter 16 is pivotally supported by a bracket 17 in front of the fertilizer application tube 15, A sliding wheel 30 having a large number of spikes on the outer periphery, which also serves as a roller, is pivotally supported on the lower portion near the rear of the machine frame 2, and a front roller 18 serving as a front grounding wheel is pivotally supported on the outer side thereof.

The sowing device 20 as a working unit is configured by mounting a groove cutting disk 19, a sowing unit 21, a soil covering wheel 22, a front roller 18a, a rear roller 23 as a rear grounding wheel and a seed tank 24 on a working frame 20a. And the transmission device A of the seeding section 21
Is a sprocket 25 that is supported on the transmission case B by bearings and is serration-fitted to the input shaft 25 so that it can be inserted and removed.
a and a reduction sprocket 25b, 25 that is pivotally supported by the transmission case B
c, 25d, 25e and chains a, b stretched in sequence on them, and the input shaft 25 is supported by a pair of right and left columns 2c, 2c standing on the rear portion of the machine frame 2 via bearings. The transmission case A has a sprocket 25a as shown in FIG.
Is attached to the input shaft 25 by serration and is detachably attached with a washer and a bolt. The lower part is loosely fitted to the square tube 2d extending outward from the machine frame 2 so that it can be laterally extended and stopped by the bolt 2e. The stay 2f is attached to the stay 2f with a connecting pin 2g so as to be detachable. The sprocket 26a attached to the middle of the input shaft 25 includes a small sprocket 26b attached to the intermediate shaft, a large sprocket 26c, a chain 26d stretched over them, two sprockets attached to the front intermediate shaft 27, and a chain 27a,
It is driven by a drive sprocket 28 attached to the shaft of the driven split pulley 7 via 27b.

The seeding input shaft 21a of the sowing section 21 is also supported by the work frame 20a and also serves as a fulcrum shaft, and this seeding input shaft 21a is supported at the rear end of the swing frame 21b, and the front end of the swing frame 21b is
A pin 2c, which is rotatably supported by a bracket 2h on a fulcrum shaft 0 and is rotatable up and down, and which is integrally formed with a protrusion that is erected near the front of the swing frame 21b, limits the range of rotation by the long hole 21d of the bracket 2g. The pin 21c projecting from the work frame 20a has its rotation range limited by the elongated hole 21d of the swing frame 21b.

Further, a rotation sensor is attached to the input shaft 6a of the drive split pulley 6.
31 is attached, and the rotation sensor 32 is attached to the shaft 7a of the driven split pulley 7.
The cam 33 attached to the movable pulley of the driven split pulley 7 is rotated by the control motor 34 so as to forcibly expand or contract the groove width. An actual vehicle speed detector 36 composed of a rotation sensor is interlockingly connected to the sliding wheel 30 with a rotation sensor 31, and the detected values of the rotation sensors 31, 32, the angle sensor 35, and the actual vehicle speed detector 36 are input to the microcomputer 37. To be done.

Furthermore, the operation panel 38 has a fertilizer application amount (nitrogen amount) setting dial.
39, a fertilizer brand (nitrogen content) select dial 40, a strip specification (sending device (fertilizer application 1 in this example)) select dial 41, an alarm buzzer 42, and an alarm lamp 43 are provided. Is input to the microcomputer 37, and the rotational speed of the input shaft 6a, the rotational speed of the output shaft 7a, and the actual vehicle speed of the continuously variable transmission are calculated from the input values. As described above, when the fertilizer application amount and the fertilizer brand are selected based on the nitrogen amount, the operation can be easily performed even when different types of fertilizers are used.

Thus, the fan-shaped plate 51 to which the base of the fertilizer application tube 15 is attached is pivotally attached to the bracket 2b via the collar 55 at the lower portion by the fulcrum pin 52, and at the upper portion by the plurality of bolts 53.
It is screwed to the elongated hole 54 of the bracket 2b via 55 so as to be rotationally adjustable.
It is fixed to 2b and the boss 57 is attached to the upper surface of both sides of the rear part by stays 56.
And the support shafts on the bosses 57, 57 and the bracket 59 integrated with the bottom of the sliding body 14 and the bracket 2b.
The fertilizer pipe is provided with an opening 60 in the front-rear direction, which is supported by penetrating 58 and has a rear portion open to the left and right sides of the sliding body 14 and whose width is slightly wider than three times the thickness of the fertilizer pipe 15. A cover 61 that inserts 15 and projects downward and closes the side portion of the fertilization tube 15 at the above-mentioned opening has a boss 63 supported by a stay 62 at a slightly rear portion of the cover 61. The support shaft
58 is fitted and screwed with a bolt 64, and the front part of the cover 61 is screwed with the bolt 65 by being superposed on the upper surface of the front part of the sliding body 14,
FIG. 2 (a) shows the state where the interval between fertilizer application tubes 15 and 15 is minimized. When the interval is widened by one cover 61, the front of one cover 61 on the inside is shown. When removing the part, loosen the bolt 64 and rotate backward through the upper part, remove the fertilizer tube 15 on that side, replace the collar 55 with a long one, then attach the fertilizer tube 15 and retract it to the rear The cover 61 thus moved is moved outward and is returned and rotated to be attached.

In addition, the width of the cover 61 can be adjusted to 2 by the same adjustment operation as described above.
The fertilizer application interval can be adjusted to double to four times, and by such adjustment, the cover 61 can prevent mud from being pushed up and accumulated on the sliding body 14 from the opening 60 during work. it can.

(G) Effect of the Invention As described above, the present invention mounts the sliding body 14 on the lower portion of the machine frame 2, attaches the fertilizing pipe 15 to the sliding body 14, and connects the delivery port of the feeder connected to the fertilizer tank 11 to In the fertilizer applicator connected to the fertilizer application pipe 15 via the hose 13, the fertilizer application pipe is attached to the sliding body 14.
An opening 60 having a width wider than the thickness of 15 is provided, and the fertilizer application tube 15 is inserted into the opening 60 to be attached to the sliding body 14 so that the lateral movement of the fertilizer application tube 15 can be adjusted. Since the cover 61 is closed by a removable or movable adjustment cover 61, the fertilization tube 15 is moved and adjusted, and the cover 61 is also moved to open the opening portion of the portion where the fertilization tube 15 was attached before the adjustment.
By covering 60, the fertilization interval can be adjusted, and even if this adjustment is performed, soil can be prevented from being pushed up and accumulated on the sliding body 14 from the opening.

[Brief description of drawings]

The drawings show one embodiment of the present invention. Fig. 1 (a) is a side view of a fertilizer sowing machine, Fig. 1 (b) is a side view of a fertilizer application device, and Fig. 2 (a) is a fertilizer application pipe installation. Plan view of the part, FIG.
Is a side view of the same, FIG. 3C is a rear view of the same, and FIG.
Is a perspective view of the seeding device, FIG. 4B is a plan view of the upper connecting portion, FIG. 4C is a plan view of the lower connecting portion, FIG. 4 is a plan view of the vehicle speed detecting portion, and FIG. 5 is a control system. It is a figure. 1 ... fertilizer pump, 2 ... machine frame, 6 ... drive split pulley, 7 ... driven split pulley, 15 ... fertilizer pipe, 20 ... seeding device, 20a ... work frame, 21 ... seeding section, 21a ... Seeding input shaft, 0 ... fulcrum shaft, 21b ... Swing frame, 18 ... Front roller, 23 ... Rear roller, 25 ... Input shaft, A ... Transmission device, 30 ... Sliding wheel, 36 ... … Actual vehicle speed detector

Claims (1)

[Scope of utility model registration request] 1. A sliding body 14 is attached to a lower portion of a machine frame 2, a fertilizer pipe 15 is attached to the sliding body 14, and a delivery port of a supply device connected to a fertilizer tank 11 is connected to the fertilizer pipe 15 through a hose 13. In the fertilizer applicator connected with the fertilizer application device, the sliding body 14 is provided with an opening 60 wider than the thickness of the fertilizer application tube 15, and the fertilizer application tube 15 is provided with the opening.
A fertilizer applicator characterized in that the fertilizer is inserted through 60 to be attached to the sliding body 14 so that the lateral movement of the fertilizer can be adjusted, and at least the side portion of the opening 60 excluding the fertilizer application tube 15 is closed by a removable or movable cover 61. Fertilizer pipe mounting device.