JP2002142515A - Compost spreader - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a compost spreader which can easily carry out compost- carrying works. SOLUTION: This compost spreader 1 comprises a box 3 disposed on a traveling truck 2 and used for loading composts, a compost-transferring device 4 for backward transferring the composts in the box 3 in the traveling direction, and a spreading device 5 for receiving the composts transferred with the compost-transferring device 4 at the rear end of the box 3 and then backward spreading the composts from the box 3. The spreading device 5 is liftably disposed at the rear end of the box 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a compost dispersing machine which spreads compost on a field by being pulled by a towing vehicle such as a tractor.

[0002]

2. Description of the Related Art As shown in FIG.
A packing box 52 provided on the traveling cart 51 for loading the compost, a compost transfer device 53 for transferring the compost in the packing box 52 backward in the traveling direction, and a compost transferred by the compost transfer device 53. And a dispersing device 54 for receiving at the rear end of the box 52 and dispersing the compost to the rear of the packing box 52. The dispersing device 54 is adapted to disperse compost on a field while being towed by a towing vehicle (not shown) such as a tractor. ing.

[0003] In addition, the compost disperser 50 is sometimes used not only for dispersing compost, but also for transporting compost from a barn to a compost field or a field for accumulation.

[0004] The compost disperser 50 has a sufficiently large packing box 52 so that a large amount of compost can be transported at one time. And because it deals exclusively with compost,
Cleaning after transportation can be easily completed.

[0005]

However, at the time of unloading, a sprinkling device 54 attached to the rear end of the packing box 52 is used.
However, there is a problem that when the compost spreader 50 is used for carrying work, the spraying device 54 must be removed.

The work of removing the spraying device 54 is performed by
And the chain (not shown) for transmitting the driving force from the cart 51 to the spraying device 54 is removed, and the spraying device 54 is mounted on a front loader (not shown). It was a laborious task of lifting and removing it.

Accordingly, an object of the present invention is to solve the above-mentioned problems and to provide a compost disperser capable of easily carrying compost.

[0008]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a cargo box provided on a traveling cart for loading compost, and for transferring the compost in the cargo box backward in the traveling direction. Compost transfer device, and a compost dispersing machine including a dispensing device for receiving the compost transferred by the compost transfer device at the rear end of the packing box and spraying the rear of the packing box,
The spraying device is provided at the rear end of the packing box so as to be able to move up and down.

It is preferable that the spraying device is provided so as to be able to move up and down via an arm which can be raised and lowered.

[0010] Further, a packing box provided on the traveling cart for loading compost, a compost transfer device for transferring compost in the packing box backward in the traveling direction, and a compost transferred by the compost transfer device. Device at the rear end of the packing box for spraying to the rear of the packing box, and a lifting / lowering gate arm provided at the front side of the spreading device so as to be movable up and down via a gate arm which can be raised and lowered to open and close the vicinity of the rear end of the packing box. In a compost spreader provided with a gate for freely closing, the spraying device is provided at a rear end of the packing box so as to be able to ascend and descend through an arm pivotally supported substantially coaxially with the gate arm. The arm is connected to the gate arm and raised.

It is preferable that the spraying device and the packing box are connected via a detachable pin, and the arm and the gate arm are connected to the spraying device via the pin detached from the packing box.

[0012] A receiving seat for receiving the load of the spraying device may be provided at the rear end of the packing box.

It is preferable that the packing box and the spraying device are provided with movement restricting means for restricting movement of the spraying device in the vehicle width direction.

[0014] A drive gear for transmitting power to the spraying device side is provided on the packing box facing the spraying device.
The dispersing device may be provided with a passive-side gear that meshes with the driving-side gear when the dispensing device is lowered to a predetermined position and is separated when the dispensing device is raised.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIGS. 1 and 3, the compost spreader 1
Is a truck 2 towed by a tow truck (not shown) such as a tractor, a packing box 3 provided on the truck 2, and a compost transfer device 4 for transferring compost in the packing box 3 backward in the traveling direction. When,
A spraying device 5 for receiving the compost transferred by the compost transfer device 4 at the rear end of the packing box 3 and spraying the compost behind the packing box 3;
A gate 6 for closing the vicinity of the rear end of the packing box 3 so that it can be opened and closed;

The bogie 2 has a front end detachably connected to a towing vehicle, and has wheels 7 at a rear portion.

As shown in FIG. 4, the packing box 3 is provided with a first power transmission unit 8 for transmitting power to a second power transmission unit 21 of the spraying device 5 described later.

The first power transmission unit 8 includes an input shaft 9 detachably connected to a PTO shaft (not shown) of the tractor via a universal drive shaft (not shown), and a bevel gear 10 connected to the input shaft 9. , 10 and an output shaft 11 extending in the vehicle width direction. A power is transmitted to a second power transmission unit 21 of the spraying device 5 from a driving gear 12 integrally provided at a tip of the output shaft 11. I'm going to tell you.

The driving gear 12 is provided at a position facing the spraying device 5 so as to protrude from one side of the packing box 3.

The packing box 3 is formed in a gutter shape whose upper end and both front and rear ends are open.

As shown in FIG. 3, the compost transfer device 4 is provided near the front end of the packing box 3. The compost transfer device 4
The extruding plate 13 is provided between both sides of the packing box 3 so as to be slidable in the front-rear direction, and a drive unit 14 for moving the extruding plate 13 in the front-rear direction.

The drive unit 14 includes a plurality of hydraulic cylinders 15
The extruding plate 13 is moved rearward by extending the respective hydraulic cylinders 15, and the compost in the packing box 3 is pushed rearward. It is designed to be transported by.

The gate 6 is provided in front of the spraying device 5 via a pair of left and right gate arms 16 which can be freely raised and lowered so as to be movable up and down.

The gate arms 16 extend rearward with one ends thereof pivotally supported on the left and right sides of the packing box 3 so as to be capable of being raised. The gate 6 is provided integrally with the other end of the gate arm 16. The gate 6 is located immediately before the spraying device 5 when the gate arm 16 is lowered, and shields the vicinity of the rear end of the packing box 3. It has become.

The gate arm 16 is provided with a lifting drive 17 for driving the gate arm 16 up and down. Specifically, the elevation drive device 17 is formed of a hydraulic cylinder, and is configured to extend and contract to lower the gate arm 16.

As shown in FIG. 1 and FIG.
A frame portion 18 formed substantially in a gutter shape so as to be continuously connected to the rear end of the packing box 3; and a plurality of beaters 19 and 20 pivotally supported at both ends by the frame portion 18 and extending in the vehicle width direction.
And the driving force transmitted from the first power transmission unit 8
And a pair of left and right arms 22 which can be raised and lowered at the rear end of the packing box 3.
It is supported so as to be able to move up and down.

The arms 22 are respectively connected to the gate arms 16.
, Which is coaxially supported by a pivot shaft 23 of the vehicle, and is located outside the gate arm 16 in the vehicle width direction and extends rearward. The arm 22 is configured to be detachably connected to the gate arm 16 via an arm connecting mechanism 44 described later, and to be lowered together with the gate arm 16 while being connected to the gate arm 16. .

The frame portion 18 has rear side walls 24, 24 formed on both sides thereof attached to the distal end portion of the arm 22, respectively, and is moved up and down as the arm 22 is raised. When the arm 22 is lowered, the frame portion 18 is attached to the rear end surface 25 of the packing box 3 by the front end surface 2.
6 are superimposed.

As shown in FIG. 1 and FIG.
8, when the arm 22 is lowered and the front end surface 26 is superimposed on the rear end surface 25 of the packing box 3, the spreading device 5 is stopped at a predetermined height and the spreading device 5 is placed on the packing box 3 side. An engaging pin 27 is provided integrally. Engagement pin 27
Are provided so as to protrude from the front lower end of the frame portion 18 to both sides, and are mounted on a receiving seat 28 extending rearward from the rear lower end of both sides of the packing box 3.

As shown in FIGS. 1, 2 and 4, the beaters 19, 20 are first pivotally supported at the lower portion of the frame portion 18.
It comprises a beater 19 and a second beater 20 pivotally supported above and close to the first beater 19.

The second power transmission portion 21 is pivotally supported so as to protrude from one side of the frame portion 18, and is meshed with the drive side gear 12 and raised when the spraying device 5 is lowered to a predetermined position. The driven side gear 29 which is separated when it is moved, the first sprocket 31 provided on the shaft 30 of the driven side gear 29 so as to rotate integrally with the driven side gear 29, and the shaft 32 of the first beater 19 are integrally formed. A second sprocket 34 provided and connected to the first sprocket 31 via a chain 33, a third sprocket 35 provided integrally with the shaft 32 of the first beater 19, and a shaft 36 of the second beater 20 are integrally provided. Third through the provided chain 37
And a fourth sprocket 38 connected to the sprocket 35.

As shown in FIGS. 1 and 2, the packing box 3 and the spraying device 5 are provided with movement restricting means 39 for restricting the movement of the spraying device 5 in the vehicle width direction.

The movement restricting means 39 is provided at the rear end face 25 of the packing box 3.
And a regulating pin provided on the front end surface 26 of the spraying device 5 and projected into the long hole 40 when the front end surface 26 of the spraying device 5 is overlapped with the rear end surface 25 of the packing box 3. 4
It consists of 1.

The elongated hole 40 is formed to be long vertically.
When the front end surface 26 of the spraying device 5 is overlapped with the rear end surface 25 of the packing box 3, the regulating pin 41 is formed so as to be received at the lower end portion in the hole.

The lower end of the elongated hole 40 is formed to have substantially the same diameter as the regulating pin 41, so that the regulating pin 41 is hardly moved in the vehicle width direction. This prevents the spraying device 5 from rattling in the vehicle width direction.

The elongated hole 40 is formed so as to gradually increase its width upward from the lower end portion.
Is allowed to be inserted into the elongated hole 40 of the regulating pin 41, and the spraying device 5 is lowered while guiding it to a predetermined position.

As shown in FIG. 1, the compost disperser 1 is used to switch between raising and lowering the dispersing device 5 or fixing the dispersing device 5 to a packing box depending on the type of compost dispersing operation or compost transporting operation. Work mode switching means 42 is provided.

As shown in FIG. 1, the work mode switching means 4
Reference numeral 2 denotes a connecting pin 43, an arm connecting mechanism 44 for detachably connecting the arm 22 to the gate arm 16 via the connecting pin 43, and a dispersing device 5 detachable from the packing box 3 via the connecting pin 43. Device connecting mechanism 4 for connecting to
5 and a connecting pin 4
By alternately using 3, the connection of either one and the disconnection of the other can be performed simultaneously.

As shown in FIGS. 1 and 6, the arm connecting mechanism 44 includes a first extension member 46 extending from the gate arm 16 and intersecting the arm 22, and a connecting pin 4 connected to the arm 22.
3 is inserted in a skewered manner.

As shown in FIGS. 1 and 2, the spraying device connecting mechanism 45 is a second device extending forward from the front lower end of the spraying device 5.
The connecting pin 43 is inserted into the extension member 47 and the packing box 3 in a skewered manner.

Next, the operation will be described.

When performing the compost spreading operation, first, as shown in FIG. 1 and FIG. 2, the second extension member 47 of the spraying device connecting mechanism 45 and the packing box 3 are connected using the connecting pins 43. At this time, since the connecting pin 43 is used on the side of the dispersing device connecting mechanism 45, it is not on the side of the arm connecting mechanism 44, and the gate arm 16 and the arm 22 are disconnected.

Further, since the sprinkling device 5 has the engaging pin 27 mounted on the receiving seat 28, the sprinkling device 5 does not rotate further downward even if the arm 22 is not connected to the gate arm 16. .

Next, the hydraulic cylinder serving as the lifting drive 17 is extended. The gate arm 16 is pivoted upward on the rear side, and the gate 6 is raised.

Then, the drive unit 14 of the compost transfer device 4 shown in FIG. 3 is driven to rotate the PTO shaft of the towing vehicle. When the drive unit 14 is driven, the extruding plate 13 is slid rearward, and the compost is pushed toward the rear spraying device 5 and transferred. Further, the rotational driving force of the PTO shaft is transmitted to the first power transmission unit 8 shown in FIG. The rotational driving force of the first power transmission unit 8 is transmitted to the passive gear 29 of the second power transmission unit 21 via the driving gear 12, and drives the beaters 19 and 20 to rotate.

The compost in the packing box 3 is continuously supplied to the spraying device 5 and sprayed rearward by the rotating beaters 19 and 20.

At this time, as shown in FIG. 2, the spraying device 5 has the regulating pin 41 inserted into the elongated hole 40 to restrict the movement in the vehicle width direction. Compost can be stably sprayed.

When carrying out the compost transportation work, first, the gate 6
Is lowered, and as shown in FIG. 1 and FIG.
The first extension member 46 of the arm connection mechanism 44 and the arm 22 are connected by using. At this time, since the connecting pin 43 is used on the side of the arm connecting mechanism 44, it is not on the side of the spraying apparatus connecting mechanism 45, and the connection between the spreading apparatus 5 and the packing box 3 is released.

In this state, compost is loaded in the packing box 3, and the compost spreader 1 is towed by a towing vehicle. Since the vicinity of the rear end of the packing box 3 is shielded by the gate 6, the compost does not fall backward.

When unloading, first, the hydraulic cylinder as the lifting / lowering drive unit 17 is extended. Since the gate arm 16 and the arm 22 are connected via the connection pin 43, the gate arm 16 and the arm 22 are rotated upward coaxially, and the gate 6 and the spraying device 5 are raised. Thereby, the rear end of the packing box 3 is completely opened.

Next, the drive unit 14 of the compost transfer device 4 is driven. The push plate 13 is slid rearward, and the compost is pushed rearward. Since the rear end of the packing box 3 is open, the compost is continuously dropped from the packing box 3 without any interruption, and the unloading is completed.

When the hydraulic cylinder is retracted, the gate 6 and the spray device 5 are lowered again. The spraying device 5 includes a regulating pin 4
1 is lowered while being inserted into the elongated hole 40.

Since the upper portion of the long hole 40 is formed wide at the top of the long hole 40 into which the regulating pin 41 is inserted, the spraying device 5 is formed.
Even if the descending position is slightly shifted in the vehicle width direction,
Allow insertion of The long hole 40 guides the restriction pin 41 which is lowered as the spraying device 5 descends in the vehicle width direction. For this reason, the spraying device 5 can always be lowered to a fixed position.

Further, since the long hole 40 is penetrated, there is no possibility that compost or the like is clogged in the long hole 40, and the regulating pin 41 can be guided stably.

As described above, since the dispersing device 5 is provided at the rear end of the packing box 3 so as to be able to move up and down, the rear end of the packing box 3 can be easily opened and the compost can be easily transported. .

Since the spraying device 5 is provided so as to be able to move up and down via the arm 22 which can be raised and lowered, the spraying device 5 can be moved up and down with a simple structure.

The spraying device 5 is provided at the rear end of the packing box 3 via an arm 22 pivotally supported coaxially with the gate arm 16, and is connected to the gate arm 16 by connecting the arm 22 to the gate arm 16. Together with it,
A simple configuration can be achieved by also using the elevation drive device 17 for the gate 6.

The dispersing device 5 and the packing box 3 are connected via a detachable connecting pin 43, and the arm 22 and the gate arm 16 are connected to the connecting pin 4 detached from the distributing device 5 and the packing box 3.
3, the spraying device 5 is reliably separated from the gate arm 16 and locked to the packing box 3 by detaching and connecting the connecting pin 43, or is interlocked with the gate arm 16 by separating from the packing box 3 Or can be.

Since the receiving seat 28 for receiving the load of the spraying device 5 is provided at the rear end of the packing box 3, the spraying device 5 is held at a predetermined position even when the connecting pin 43 is removed from the arm 22 and the gate arm 16. You can keep.

The movement restricting means 39 for restricting the movement of the spreading device 5 in the vehicle width direction is provided in the packing box 3 and the spraying device 5, so that the packing box 3 can be prevented from rattling in the vehicle width direction.

A drive-side gear 12 for transmitting power to the spraying device 5 is provided on the packing box 3 so as to face the spraying device 5, and when the spraying device 5 is lowered to a predetermined position. Is provided with a passive gear 29 which is meshed with the drive gear 12 and is separated when it is raised, so that the driving force is transmitted from the carriage 2 to the spraying device 5 by raising the spraying device 5. The power transmission system can be automatically cut off, and the power transmission system can be automatically connected by lowering the spraying device 5 to a predetermined position, without putting any hand on the power transmission system. The spraying device 5 can be easily moved up and down.

In this embodiment, the spraying device 5 is mounted on the arm 22 which can be raised and lowered by raising and lowering the arm 22. However, the present invention is not limited to this. It is good also as what raises and lowers vertically by providing a cylinder.

Although the arm 22 is connected to the gate arm 16 and raised, the arm 22 may be provided with a dedicated driving device to be raised.

The arm 22 is pivotally supported coaxially with the gate arm 16, but the axes of the arm 22 and the gate arm 16 may be different if they are close to each other.
In this case, the connecting pin 43 is connected to the gate arm 16 by the arm 2.
2 may be connected to be slidable in the longitudinal direction.

Further, the compost transfer device 4 has been described in which the compost in the packing box 3 is pushed backward by using a cylinder such as the hydraulic cylinder 15, but the present invention is not limited to this. The compost transfer device 4 may be provided with a conveyor such as a chain conveyor at the bottom of the packing box 3 to transfer the compost in the packing box 3 backward. It may be of the type.

[0067]

In summary, according to the present invention, the following excellent effects can be obtained. (1) The compost can be easily transported using a compost spreader.

[Brief description of the drawings]

FIG. 1 is an enlarged side view of a main part of a compost spreader showing a preferred embodiment of the present invention.

FIG. 2 is a rear view of FIG.

FIG. 3 is a side view of the compost spreader.

FIG. 4 is a plan view of the compost spreader.

FIG. 5 is an enlarged perspective view of a main part of a power transmission system of the compost spreader.

FIG. 6 is an enlarged perspective view of a main part of the compost spraying device.

FIG. 7 is a side view of a conventional compost application device.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 compost spreader 2 cart 3 packing box 4 compost transfer device 5 spraying device 6 gate 12 drive side gear 16 gate arm 22 arm 28 seat 29 passive side gear 39 movement restricting means 43 connecting pin (pin)

Claims (7)

[Claims] 1. A packing box provided on a traveling cart for loading compost, a compost transfer device for transferring compost in the packing box backward in the traveling direction, and a compost transferred by the compost transfer device. And a spraying device for spraying the rear of the packing box after receiving the packing box at the rear end of the packing box, wherein the spraying device is provided at the rear end of the packing box so as to be movable up and down. And compost spreader. 2. The compost sprayer according to claim 1, wherein the spraying device is provided so as to be able to move up and down via an arm that can be raised and lowered. 3. A packing box provided on a traveling trolley for loading compost, a compost transfer device for transferring compost in the packing box backward in the traveling direction, and a compost transferred by the compost transfer device. Device at the rear end of the packing box for spraying to the rear of the packing box, and a lift arm provided at the front side of the spreading device via a vertically movable gate arm to open and close the rear end of the packing box. And a gate for freely closing the compost spreader, wherein the spraying device is provided at a rear end of the packing box so as to be able to ascend and descend through an arm pivotally supported substantially coaxially with the gate arm. A compost spreader, wherein the arm is connected to the gate arm and raised. 4. The spraying device and the packing box are connected via a detachable pin, and the arm and the gate arm are connected to the spreading device and the pin via the pin detached from the packing box. 3. The compost spreader according to 3. 5. The compost spreader according to claim 1, wherein a seat for receiving a load of the spraying device is provided at a rear end of the packing box. 6. The compost spreader according to claim 1, wherein said packing box and said spraying device are provided with movement restricting means for restricting movement of the spraying device in the vehicle width direction. 7. A drive-side gear for transmitting power to the spraying device side is provided on the packing box facing the spraying device, and when the spraying device is lowered to a predetermined position. Is provided with a passive side gear meshed with the drive side gear and separated when raised.
6. The compost sprayer according to any one of 6.