KR101004611B1 - Duble hopper spreader of tractor loading - Google Patents

Abstract

The present invention relates to a tractor-mounted double hopper spreader which can spread and spread granular fertilizer and organic fertilizer simultaneously in a wide range by a spreader.

That is, the present invention is provided with a double hopper consisting of a main hopper housing the organic fertilizer and an auxiliary hopper housing the granular fertilizer on the frame provided with a tractor mounting means, each hopper is discharged to discharge the received fertilizer to the lower frame Means are provided respectively, and the lower part of the frame is provided with a spraying fan that is driven by the power of the tractor, so that the spraying fan strikes the granular fertilizer and the organic fertilizer simultaneously discharged through the discharge means attached to each hopper. We present a tractor-mounted double hopper spreader that spreads and spreads organic fertilizer and granular fertilizer simultaneously in a wide range.

Double Hopper, Spreader, Tractor, PTO Shaft, Fertilizer Discharge Cover

Description

Double hopper spreader of tractor loading

The present invention relates to an apparatus for spraying granules or organic fertilizers necessary for the growth of crops using the power of a tractor.

In farming, the use of fertilizers is essential for improving the land's intellect or supplementing deficiencies, and for the efficient application of these fertilizers, the use of powered devices such as tractors is common.

Fertilizers chemically formulate essential ingredients for crop growth and deletion, such as nitrogen, phosphoric acid, potassium and rare earths, or naturally obtain compost, bone meal, chicken meal, feces and fish meal.

Chemical fertilizer is composed of specific ingredients that affect the growth of crops such as urea, lime nitrogen, superphosphate or calcined phosphate fertilizer, potassium chloride or potassium sulfate, or mixed fertilizers. Used in consideration of the purpose, the natural fertilizer has the characteristics of a comprehensive fertilizer including nitrogen, phosphoric acid, potassium, etc., such as compost, bone meal, poultry meal, feces, fish meal. Therefore, the use of only chemical fertilizers, there is a possibility that certain components are deficient, it is very preferable to use with natural fertilizers, and this is done in most farming environment.

Considering the characteristics of fertilization due to mechanization, chemical fertilizers are usually made of granular fertilizers in the form of granules, and granular fertilizers have good fluidity, so the discharge pipes or outlets of the appropriate type in the bottom of the hopper having a certain structure are good. The fertilizer spreader is designed to flow down by gravity due to gravity, and to induce it to spread or spread the price with a rotating spreading fan with proper emission control. However, fertilizers obtained by the natural method (mostly organic fertilizers, hereinafter referred to as organic fertilizers) contain moisture even after a certain amount of drying and processing. It cannot be secured. Therefore, the organic fertilizer spreader is a means of forcing the fertilizer in the hopper down and the fertilizer drawn down to the bottom even when the final application device structure (that is, rotary spray pan in the granular fertilizer spreader) A means of forced discharge is essential.

Due to the difference between the granular fertilizer and the organic fertilizer, the granular fertilizer spreader can only spray the granular fertilizer, and the organic fertilizer spreader can only spray the organic fertilizer, which must be equipped, managed and maintained according to each fertilizer type. It is a factor that increases the burden on farmers.

Another problem is that by spraying granular fertilizer and organic fertilizer separately before sowing, labor and operating costs are duplicated. In other words, when cultivating most crops such as barley and soybeans, there was a problem in that the ground was selected through rotary work, or at the same time, the organic fertilizer (or granular fertilizer) was sprinkled and the remaining fertilizer was sprayed again.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a tractor-powered spreader capable of spraying a wide range of granular fertilizers and organic fertilizers at the same time with a single spreader completely different spray characteristics. .

Another object of the present invention, by adjusting the position of the connection hose connected to the discharge portion of the granular fertilizer through the position adjusting device in the configuration of the spreader, according to the spraying range and the discharge position according to the shape of the granular fertilizer and organic fertilizer The purpose of the present invention is to provide an applicator which can properly spread and spread organic fertilizer and granular fertilizer in the process of spreading by appropriately adjusting the spraying direction to prevent outflow and waste of fertilizer.

Still another object of the present invention is to provide a spreader capable of preventing natural outflow due to the flow characteristics of the granular fertilizer at the time of stopping or terminating the spraying by installing the fertilizer discharge prevention cover at the granular fertilizer discharge port.

Still another object of the present invention is to provide a cover to the granular fertilizer hopper, so that when high humidity and drizzle comes, the granular fertilizer is melted to prevent uneven fertilizer spraying and at the same time to spray the fertilizer at the same time.

The present invention, in order to solve the above technical problem, is provided with a double hopper consisting of a main hopper housing the organic fertilizer and an auxiliary hopper housing the granular fertilizer on the frame provided with a tractor mounting means, each hopper is contained fertilizer Discharge means for discharging to the lower part of the frame is provided, and the lower part of the frame is provided with a spraying fan which is driven by the power of the tractor and spraying granular fertilizer and organic fertilizer which are simultaneously discharged through the discharging means added to each hopper. This price suggests a tractor-mounted double hopper spreader that spreads and spreads organic fertilizer and granular fertilizer simultaneously in a wide range while being mounted on a tractor.

The double hopper spreader is characterized in that it is mounted as a three-point link to the tractor by the link connector formed on the upper portion of the frame, and the link connector formed on the lower left and right of the frame.

In the above double hopper spreader, the main hopper and the auxiliary hopper constituting the double hopper are composed of a ratio of 3: 1 to 10: 1 by volume ratio, and the organic fertilizer standard fertilizer is appropriately adjusted to the standard fertilizer fertilizer consumption time. It is characterized by a configuration that improves the loading efficiency by approximately matching.

In addition, the double hopper spreader is directly connected to the hydraulic motor in which the rotating disk-shaped spreading fan is fixed to the frame, the hydraulic motor is made of a structure that is driven by the tractor is connected to the hydraulic unit of the tractor by a hose. It is done.

In addition, the double hopper spreader is directly connected to the power unit in which the rotary disk-shaped spreading fan is fixed to the frame, the power unit is characterized in that the drive is made of a drive control by the power supply of the tractor.

In addition, the double hopper spreader is directly connected to the gear box in which the rotary disk-shaped spray fan is fixed to the frame, the gear box is connected to the PTO shaft of the tractor characterized in that the structure is driven by the tractor drive control .

In addition, the discharge means of the organic fertilizer of the discharge means constituting the double hopper spreader is at least one stirrer installed in the middle of the main hopper, the transfer screw is installed at the bottom of the main hopper to collect the organic fertilizer to the bottom center And, the discharge port formed in the conveying screw convergence unit, and a control device for adjusting the opening and closing amount of the discharge port is included, wherein the stirrer and the conveying screw is connected to the drive motor operated by hydraulic or DC power from the tractor is driven It is characterized by a controlled structure.

In addition, the discharge means of the granular fertilizer of the discharge means constituting the double hopper spreader is installed in the bottom portion of the auxiliary hopper transport screw for collecting the granular fertilizer to the center of the bottom, the discharge port formed in the conveying screw converging portion; It is connected to the discharge port and the lower end includes a connection hose located at the top of the spreading pan, the transfer screw is connected to the drive motor operated by hydraulic or DC power from the tractor is driven or controlled to constitute the organic fertilizer discharge means It is characterized by a structure that is mechanically connected to the drive motor to drive control.

In addition, the connection hose is characterized in that it is made of any one of the flexible tube, stainless steel tube or plastic tube free to bend.

In addition, the lower side of the double hopper, the lower portion of the double hopper and the spreading pan, the side plate is formed symmetrically to the lower left, right of the double hopper; Is formed at the front end of the left, right side plate, and one end is provided with a fastening means for tightening or loosening the support coupled to the inside; Both ends are coupled to the ring portion of the left, right side plate and the support is provided with a coupling ring is fitted in the connection hose in the center; Characterized in that the position adjustment device is configured to include.

In addition, the inner discharge port of the auxiliary hopper in which the granular fertilizer is stored inclined roof narrowing toward the top to surround the discharge port; A side wall having a through hole formed on the left and right sides of the inclined roof so as to surround the discharge port, and having a through hole through which the transfer screw is rotated; Characterized in that the fertilizer discharge prevention cover is configured to include.

In addition, the connection hose is characterized in that for installing a position measuring sensor for measuring the position of the spray pan.

In addition, the fertilizer sprayed on the spreading fan in the connecting hose is characterized in that the liquid storage tank and spray nozzles (including a compression facility, if necessary) is mixed with liquid fertilizer or water or pesticides, depending on the selection.

In addition, by collecting the fertilizer supplied from the lower portion of the hopper is characterized in that the installation of the fertilizer collection injection unit that can be smoothly supplied to the rotating disc.

In addition, by installing a cover on the upper side of the auxiliary hopper where granular fertilizer is stored, it prevents the fertilizer from melting due to high humidity or drizzle, and at the same time, can evenly spray granular fertilizer and organic fertilizer at the same time. do.

Tractor mounted double hopper spreader of the present invention has the following effects.

1. With one spreader, granular fertilizer and organic fertilizer can be sprayed at the same time, thus saving the cost and maintenance effort of having separate granular fertilizer spreader and organic fertilizer spreader separately.

2. The cost and effort of spraying granular fertilizer and organic fertilizer separately can be saved, and the farming can be enhanced by spraying organic and granular fertilizer at the same time with one operation.

3. The ratio of the main hopper for organic fertilizer and the auxiliary hopper for granular fertilizer in the ratio of 3: 1 to 10: 1 is required for the area of chemical fertilizer standard fertilizer and organic fertilizer standard fertilizer. When the fertilizer is approximately matched, the fertilizer replenishment together with granular and organic fertilizers have the advantage of improving the work efficiency.

4. By adjusting the position of the connection hose connected to the discharge part of the granular fertilizer through the position control device, it is possible to spread evenly by adjusting the spreading distance according to the characteristics of organic fertilizer and the granular fertilizer, It can be adjusted effectively.

5. By installing the fertilizer discharge prevention cover in the granular fertilizer discharge port, it is possible to prevent the granular fertilizer from being discharged when the conveying screw is stopped.

6. The cover can be installed on the upper part of the auxiliary hopper where granular fertilizer is stored to prevent the fertilizer from melting at high humidity and dew ratio, and to distribute the fertilizer evenly at any time.

The present invention is provided with a double hopper consisting of a main hopper housing the organic fertilizer and an auxiliary hopper housing the granular fertilizer on the frame provided with a tractor mounting means, each hopper discharge means for discharging the contained fertilizer to the lower frame Each of them is provided with a spreading fan which is rotated and driven by the power or DC power of the tractor at the lower part of the frame, so that the spreading fan hits the granular fertilizer and the organic fertilizer simultaneously discharged through the discharge means attached to each hopper. Features a tractor-mounted double hopper spreader configured to spread and spread organic fertilizer and granular fertilizer simultaneously in a wide range when mounted.

The double hopper spreader is mounted with a three-point link to the tractor, the main hopper and the auxiliary hopper constituting the double hopper is composed of a ratio of 3: 1 to 10: 1 by volume ratio.

In addition, the double hopper spreader has a structure in which the rotating fan-shaped spreading fan is directly connected to the electric motor, the hydraulic motor, or the gear box is fixed to the frame is driven and controlled by the tractor.

In addition, the discharge means of the organic fertilizer among the discharge means constituting the double hopper spreader is at least one stirrer which is installed at a predetermined position (preferably the middle portion) of the main hopper, the bottom of the main hopper is installed on the bottom of the organic fertilizer Conveying screw gathered to the center, the discharge port formed in the conveying screw convergence portion, and a control device for adjusting the opening and closing amount of the discharge port is included, the stirrer and the conveying screw is operated by hydraulic or DC power from the tractor It is connected to the drive motor has a structure that is driven and controlled, it may be provided with a control unit so that the cab or the driver can be centrally controlled at a certain position. The discharge means of the granular fertilizer is installed at the bottom of the auxiliary hopper, the transfer screw for collecting the granular fertilizer to the center of the bottom, the discharge port formed in the conveying screw converging portion, and connected to the discharge port and the lower end is located in the upper spray pan A connection hose is included, and the transfer screw is connected to a drive motor operated by hydraulic or DC power from a tractor and is driven to be controlled or mechanically connected to a drive motor constituting the organic fertilizer discharge means. Have

In addition, the connecting hose constituting the granular fertilizer discharge means is made of any one of the flexible tube, stainless steel tube, or plastic tube free to bend.

In addition, the lower side of the double hopper, which is located in the lower position of the double hopper and the spreading pan, the side plate formed symmetrically to the left and right of the lower portion of the double hopper; Is formed at the front end of the left, right side plate, and one end is provided with a fastening means for tightening or loosening the support coupled to the inside; Both ends are coupled to the ring portion of the left, right side plate and the support is provided with a coupling ring is fitted in the connection hose in the center; Position adjusting device configured to include may be installed.

In addition, the inner discharge port of the auxiliary hopper in which the granular fertilizer is stored inclined roof narrowing toward the top to surround the discharge port; A side wall having a through hole formed on the left and right sides of the inclined roof so as to surround the discharge port, and having a through hole through which the transfer screw is rotated; Fertilizer discharge prevention cover is configured to include can be installed.

In addition, the connection hose is equipped with a position measuring sensor for measuring the position of the spreading fan, the fertilizer sprayed on the spreading fan in the connection hose is a liquid storage tank and the spray nozzle (mixed with liquid fertilizer or water, if necessary) Compression facilities) may be added.

In addition, a cover may be installed on the top of the spreading pan, and a fertilizer collecting distribution device may be installed to collect fertilizers from both hoppers that collect the fertilizers supplied from the bottom of the hopper and smoothly supply them to the rotating disc.

1 is an overall configuration diagram according to an embodiment of the present invention, Figure 2 is a perspective view according to an embodiment of the present invention, Figure 3 is an enlarged view of a spreader according to an embodiment of the present invention, Figure 4 is 5 is an enlarged view of the fertilizer discharge prevention cover according to the embodiment, Figure 5 is a side cross-sectional view according to an embodiment of the present invention, the sixth is the spraying direction of the fertilizer according to the granular fertilizer discharge position by the connection hose position adjustment device Referring to the accompanying drawings showing a planar state diagram illustrating the configuration of the present invention as follows.

1, 2, and 3, the frame 10 for maintaining the shape, the main hopper 21 and the auxiliary hopper 22 is composed of a double hopper 20 is installed on the frame and , The organic fertilizer discharge means 30 included in the main hopper, the granular fertilizer discharge means 40 included in the auxiliary hopper, and the spraying device 50 is installed under the double hopper 20.

The frame 10 includes link connectors 11, 12 and 13 for mounting a tractor, which are formed at least on the upper and lower sides of the frame and mounted on the tractor as a three-point link to the tractor. The tractor is mounted in the state, it is configured to be effectively mounted and detached by the crane link 101 or the cylinder of the tractor (T).

The main hopper 21 constituting the double hopper 20 is for accommodating organic fertilizers, and a rectangular structure that narrows toward the lower side is preferable in consideration of loading efficiency and ease of discharge, and is fixed to the frame integrally. do.

The auxiliary hopper 22 constituting the double hopper 20 is for accommodating granular fertilizer, and a rectangular structure that narrows toward the lower side in consideration of loading efficiency and ease of discharge is preferable, and is formed in front or rear of the main hopper or It is formed integrally with the coder on the side. The embodiment shows an embodiment in which an auxiliary hopper is formed in front of the main hopper.

The main hopper and the auxiliary hopper can be loaded at a time by estimating the usage of granular fertilizer and organic fertilizer by configuring the proper volume ratio to accommodate the fertilizer usage according to the standard fertilization amount, thereby reducing the effort and time according to the loading. That provides the benefits. In the present invention, the volume ratio of the main hopper and the auxiliary hopper is composed of a ratio of 3: 1 to 10: 1 in consideration of the standard fertilizer of organic fertilizer and organic fertilizer.

Among the discharging means constituting the double hopper spreader, the organic fertilizer discharging means 30 is installed at one or more agitators 31 installed at a predetermined position (preferably in the middle) of the main hopper 21, and at the bottom of the main hopper. Transfer screw 32 for collecting organic fertilizer to the center of the bottom, the outlet 33 formed in the transfer screw converging portion, and the shutter 34 to adjust the opening and closing amount of the outlet is included, the agitator and the transfer The screw is connected to the drive motor 35 which is operated by hydraulic or DC power from the tractor and is driven and controlled.

The stirrer 31 mixes the organic fertilizer in the main hopper properly so that it can naturally flow out to the bottom, prevents internal cavitation, and has a structure in which a plurality of rods are formed on the axis of rotation.

 The feed screw 32 is a structure in which a screw is formed on a rotation axis, and is configured to face the screw direction to the center so that fertilizer is collected at the center.

The discharge means 40 of the granular fertilizer among the discharge means constituting the double hopper spreader is installed at the bottom of the auxiliary hopper 22, the transfer screw 24 for collecting the granular fertilizer to the bottom center, and the transfer screw converging portion A discharge port 42 is formed, and the connection hose 43 is connected to the discharge port and the lower end is located at the top of the spreading pan, and the transfer screw is connected to the drive motor operated by hydraulic or DC power from the tractor. It is characterized in that the drive is controlled or mechanically connected to the drive motor constituting the organic fertilizer discharge means is also controlled. In the illustrated embodiment, the shaft of the conveying screw 32 and the conveying screw 41 of the granular fertilizer discharging means are connected by a chain so as to obtain power from the drive motor 35 of the organic fertilizer discharging means.

The connecting hose 43 guides the granular fertilizer discharged through the granular fertilizer discharging means 40 of the double hopper 20 to the fertilizer dropping space 52 of the spreading fan 51 constituting the spraying device 50. As a role, the upper end is connected to the outlet 42 of the auxiliary hopper 22 and the lower end is installed to be located in the fertilizer dropping space 52 of the spreading fan 51.

And the lower end of the connection hose 43 is fitted to the coupling ring 62 installed in the center of the support 61 of the position adjusting device 60 to adjust the position to the left, right, and can be adjusted up and down as necessary.

The connecting hose 43 may be any one of a flexible tube, a stainless tube, or a plastic tube that is free to bend, but it is preferable to use a flexible tube or a stainless tube that is free to bend.

The position adjusting device 60, by adjusting the position of the lower end of the connection hose 43, to adjust the drop position of the granular fertilizer discharged to the lower end of the connection hose 43 via the discharge port 42, double hopper (20) On the lower side and the side plate 63 which is symmetrically installed at both left and right sides at a predetermined interval, the ring portion 64 provided at the front end of the left and right side plate 63, and the ring portion 64 Both ends are composed of a support 61 is fitted.

The side plate 63 is symmetrically installed on both sides of the lower side of the double hopper 20 at intervals for installing the support 61, and the front end is installed to be located in the fertilizer dropping space 53 of the spreading fan 51. .

The ring portion 64 is formed in a circular ring shape to have an inner diameter corresponding to the outer diameter of the support 61 so that both ends of the support 61 can be coupled, and one end of the ring portion 64 (64) Tightening means 65 for tightening or releasing both ends of the support 61 which is coupled to the inside is installed.

The tightening means 65 may be any means capable of tightening as well as a bolt.

The support 61, the both ends are fitted to the ring portion 64 formed on the front end of the left, right side plate 63, the coupling ring 62 is provided in the center is coupled to the lower end of the connection hose 43 do.

The coupling ring 62 is formed in a circular shape corresponding to the lower end of the connection hose 43.

Therefore, if you want to adjust the spraying direction of the granular fertilizer loosen the tightening means 65 that was tightening both ends of the support 61, then move the support 61 to the left and right, the coupling ring in the center of the support 61 ( 62, by moving the position of the lower end of the connecting hose 43 fitted to the left and right on the spreading pan 51, it is possible to adjust the spraying direction of the granular fertilizer.

That is, as shown in Figure 6, when the discharge position of the connection hose is A, it is possible to spray the granular fertilizer in the forward and rearward direction with respect to the tractor traveling direction, and in the case of B, C, the spreading range is gradually narrowed and land boundary part It can be effectively used to limit the fertilization in the back, and by properly combining the relationship with the discharge position (F) of the organic fertilizer there is an advantage that can be effectively mixed and sprayed even if the shape and characteristics are different.

The fertilizer discharge prevention cover 70, as shown in Figure 4, is installed to surround the auxiliary hopper 22 granular fertilizer discharge port 42, the inclined roof 71 is narrowed toward the upward, and the discharge port The side wall 72 is integrally formed at both ends of the lower end of the inclined roof 71 so as to surround the 42.

The inclined roof 71 is formed in an inclined shape in which the width becomes narrower toward the upward, so that the granular fertilizer naturally flows along the inclined roof 71 without gathering in the inclined roof 71.

The side wall 72 is perforated with a through hole 73 through which the transfer screw 41 which carries granular fertilizer to the center and sends it to the discharge port 42.

Since the through hole 73 is drilled to a size corresponding to the wing of the feed screw 41, when the feed screw 41 stops rotating, the wing of the feed screw is positioned in the through hole 73 so that the granular fertilizer penetrates. It is prevented from being discharged to the outlet 42 which is connected to the ball (73).

In the above structure, the spreading device 50 has a structure in which a disk-shaped spreading fan 51 having a radial wing is connected to a drive shaft, and receives a wide range of organic fertilizer and granular fertilizer discharged through the discharge means. It acts as a diffuse spray.

Power for driving the spreading fan may be provided from a tractor and at the same time, power may also be supplied from a DC power source, directly connected to a hydraulic motor fixed to the frame, or directly connected to a gearbox fixed to the frame. It is composed of rotating structure by hydraulic power provided by tractor or driving force from PTO shaft.

In the illustrated embodiment, the gearbox 53 is fixedly installed on the mounting frame 14, and the spraying device 51 is configured to have a structure in which the spreading fan 51 is directly connected to the shaft of the gearbox 53. The gearbox is a unit with a 90 ° angle gear, and its main shaft is connected to the PTO shaft 102 of the tractor T, and the spreading fan shaft is directly connected to the driven shaft formed 90 ° vertically. And control is controlled in the tractor by the tractor PTO shaft control lever.

In addition, according to the selection, the outer periphery of the disc can be installed by adding a guide band to evenly distribute the fertilizer.

The gear box 53 is stably installed on the mounting frame 14 to receive the rotational force drawn from the PTO shaft 102 of the tractor (T) to rotate the spreading fan (51).

Rotating blades 54 are radially formed on the upper surface of the spreading fan 51 to smoothly spray and spray the granular and organic fertilizers discharged by the respective discharge means in a predetermined direction.

That is, when there is no rotary blade 54, the fertilizer is sprayed by the rotational force of the spraying fan 51, so the spraying direction may not be constant, but when the rotary blade 54 is installed, the rotary blade 54 is fixed fertilizer. Because it pushes in the direction, the spraying direction is kept constant and stable spraying is achieved.

The spreading fan rotary blade 54 is formed from the center of the spreading pan 51 so that the fertilizer dropping space 52 in which the fertilizer falling from the respective discharge means of the double hopper 20 is collected in the center of the spreading pan 51 is formed. It is preferable to install at a certain interval apart.

The rotary blades 54 may be installed radially on the upper surface of the spray disk 51 of the rotary disk form of about 2 to 4, but may be installed more or less if necessary, the shape of the rotary wing The blades can be manufactured in various shapes and the rotary blades can be processed in the form of sharp blades so that the edges of the rotary blades can be cut (cut) into small particles when the particles are dispersed.

In addition, the fertilizer particles sprayed from the rotary blade can be installed on one side of the hopper liquid storage tank (not shown) so that the liquid (fertilizer, water or pesticide) can mix one or a plurality of liquids, Injection nozzles (including an extrusion facility, if necessary) for injecting liquids supplied from a storage tank (not shown) may also be installed.

The mounting frame 14 is connected to the lower portion of the double hopper 20 to stably support the gear box 53 so that the rotation operation of the spreading fan 51 connected to the gear box 53 is made stable. .

On the other hand, the front of the spreading fan 51 is provided with a blocking plate 80 surrounding the spreading fan 51 to prevent the spreading of the fertilizer sprayed by the spreading fan 51 to the front.

The blocking plate 80 is preferably formed in a wider width than the spreading pan 51 so as to wrap the spreading pan 51 in the front and is installed on the mounting frame 14.

The blocking plate 80 serves to prevent the fertilizer from being sprayed toward the front, that is, tractor (T).

On the other hand, the present invention includes a configuration to protect the hygroscopic granular fertilizer from rain or moisture by installing a cover 100 to one or both of the hopper (21, 22) to prevent the fertilizer from melting on the upper portion of each hopper. (In Fig. 5, only the auxiliary hopper is indicated, but if necessary, it can be installed in the main hopper.)

As described above, the present invention is to spray the granular fertilizer and the organic fertilizer at the same time through the spraying device 50, the following describes the operation of the present invention with reference to the accompanying drawings.

As shown in FIG. 5, when discharged through the discharge means of each hopper 21 and 22, the fertilizer is sprayed by the rotation operation of the spreading fan 51.

That is, the granular fertilizer inside the auxiliary hopper 21 falls into the fertilizer dropping space 52 of the spray pan 51 along the outlet 42 and the connection hose 43, and at the same time, the organic fertilizer inside the main hopper 21. Is dropped into the spreading fan 51 through the outlet 33 formed in the center of the main hopper 21.

And before spraying the fertilizer transported from the lower part of the double hopper to the spraying pan, install a fertilizer collecting distribution device (not shown) to collect the fertilizer transported in both directions at a certain position before and after to make the fertilizer smoothly on the rotating disc. Make it available.

At this time, the spreading fan 51, the rotational force output from the PTO shaft 102 or the DC power supply of the tractor (T) is transmitted to the spreading fan 51 via the gear box 53 to operate the rotation.

Therefore, the fertilizer dropped to the spreading pan 51 is spread by wide spreading by the spreading fan 51 rotational force is made.

In addition, the cover 90 may be installed on the upper part of the spreading pan according to the selection.

The rotary blade 53 installed radially on the upper surface of the spreading fan 51 mixes the granular fertilizer and the organic fertilizer to be sprayed at a predetermined angle.

On the other hand, when it is desired to adjust the spraying direction of the granular fertilizer, loosen the fastening means 65 of the ring portion 64 formed on the side plate 63 of the position adjusting device 60, and then, the support 61 is left and right. By moving the position of the lower end of the connecting hose 43 which is fitted to the coupling ring 62 of the support 61 to the left and right on the spreading pan 51, the spraying direction of the granular fertilizer can be adjusted.

When the position adjustment of the lower end of the connection hose 43 is completed, tighten the fastening means 65 so that both ends of the support 61 do not move, and the connection hose may be provided with a position measuring sensor for measuring the position of the rotating disc as necessary. have.

In addition, the front of the spreading fan 51 is provided with a blocking plate 80 can prevent the fertilizer from being sprayed toward the front tractor (T).

On the other hand, the granular fertilizer discharge port 42 of the auxiliary hopper 22 is provided with a fertilizer discharge prevention cover 70 to prevent the discharge of the granular fertilizer to the discharge port 42 when the transfer screw 41 is stopped.

That is, during operation of the transfer screw 41, the transfer screw blade pushes the granular fertilizer toward the center of the discharge port 42, the discharge of the granular fertilizer is made, but the transfer screw blade is stopped when the transfer screw 41 stops operation Since the through hole 73 of the side wall 72 is blocked, the discharge of granular fertilizer is naturally blocked.

1 is an overall configuration diagram according to an embodiment of the present invention.

2 is a perspective view according to an embodiment of the present invention;

3 is an enlarged view of the spreading apparatus according to the embodiment of the present invention.

Figure 4 is an enlarged view of the fertilizer discharge prevention cover according to an embodiment of the present invention.

Figure 5 is a side cross-sectional view according to an embodiment of the present invention.

Figure 6 is a plan view showing the spraying direction of the fertilizer according to the granular fertilizer discharge position by the connection hose position adjustment device

<Explanation of symbols for main parts of the drawings>

T: Tractor 102: PTO shaft

10: frame 20: double hopper

11, 12, 13: Link connector 14: Mounting frame

21: main hopper 22: auxiliary hopper

24: transfer screw 30: organic fertilizer discharge means

31: stirrer 32: transfer screw

33: outlet 34: shutter

35: drive motor 40: granular fertilizer discharge means

41: Feed screw 42: Outlet

43: connection hose 50: spraying device

51: spray pan 52: fertilizer falling space

53: gearbox 54: rotary wing

60: position adjusting device 61: support

62: coupling ring 63: side plate

64: ring 65: tightening means

70: fertilizer discharge device cover 71: inclined roof

72: side wall 73: through hole

80: blocking plate 90: cover

100: cover 102: PTO shaft

Claims (13)

A frame provided with a tractor mounting means; A double hopper mounted on the frame, comprising a main hopper accommodating organic fertilizer and an auxiliary hopper accommodating granular fertilizer; Discharge means installed in the two hoppers to discharge the fertilizer contained in the two hoppers to the lower frame; A spreading device consisting of a disk-shaped spreading fan installed under the frame to spray two kinds of fertilizers which are driven by the power of the tractor or DC power and discharged through two discharge means; The tractor-mounted double hopper spreader, characterized in that configured to spread and spread organic fertilizer and granular fertilizer at the same time in a wide range while being mounted on the tractor. The method of claim 1, The main hopper and the auxiliary hopper constituting the double hopper is a tractor-mounted double hopper spreader, characterized in that the ratio of 3: 1 to 10: 1 by volume ratio. The method of claim 1, The organic fertilizer discharge means may include at least one agitator installed at a predetermined position of the main hopper, a transfer screw installed at the bottom of the main hopper to collect the organic fertilizer to the bottom center, and an outlet formed at the converging portion of the transfer screw; And, the control device for adjusting the opening and closing amount of the discharge port, the agitator and the transfer screw is a tractor-mounted double hopper spreader, characterized in that the drive control is connected to the drive motor driven by the power of the tractor. The method of claim 1, The discharge means of the granular fertilizer is installed at the bottom of the auxiliary hopper, the transfer screw for collecting the granular fertilizer to the center of the bottom, the discharge port formed in the conveying screw converging portion, and connected to the discharge port and the lower end is located in the upper spray pan Connection hose is included, The transfer screw is a tractor-mounted double hopper spreader, characterized in that the drive is connected to the drive motor driven by the power or DC power of the tractor. The method of claim 4, wherein The connection hose is a tractor-mounted double hopper spreader, characterized in that the flexible tube is made of flexible tube, stainless steel tube or plastic tube. The method of claim 5, Under the double hopper, A side plate positioned at a predetermined position of a lower portion of the double hopper and a rotating disk, the side plate being symmetrically formed to the lower left and right sides of the double hopper; Is formed at the front end of the left, right side plate, and one end is provided with a fastening means for tightening or loosening the support coupled to the inside; Both ends are coupled to the ring portion of the left, right side plate and the support is provided with a coupling ring is fitted in the connection hose in the center; Tractor-mounted double hopper spreader, characterized in that the connection hose positioning device is configured to include. The method of claim 6, The connection hose is a tractor-mounted double hop spreader, characterized in that for installing a position measuring sensor for measuring the position on the spreading pan. The method of claim 4, wherein In the auxiliary hopper for accommodating the granular fertilizer, An inclined roof having a narrower width toward upward to surround the discharge hole of the granular fertilizer; A side wall having a through hole formed on the left and right sides of the inclined roof so as to surround the discharge port, and having a through hole through which the transfer screw is rotated; Tractor mounted double hopper spreader, characterized in that the fertilizer discharge prevention cover is configured to include. The method of claim 1, A tractor-mounted double hopper spreader, comprising: a liquid storage tank for mixing any one or a plurality of liquid substances of liquid fertilizer, water, or pesticide, and an injection nozzle for spraying liquid supplied from the liquid storage tank. The method of claim 1, Tractor-mounted double hopper spreader, characterized in that to install a fertilizer collection distribution device that can collect the fertilizer discharged through the discharge means to smoothly supply to the spreading device. The method of claim 1, The spreading device includes a spreading fan having a rotary blade radially installed on the upper surface of the rotating disk, the rotary blade is a tractor-mounted double hopper spreader, characterized in that the angle adjustment device is installed so that a constant angle is changed. The method according to any one of claims 1 to 11, Tractor mounted double hopper spreader, characterized in that the cover is installed on the top of each hopper. The method of claim 1, A tractor-mounted double hopper spreader characterized by the addition of a control unit controlling the operation of the double hopper spreader at the cab or at the operator's designation.

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