JPH0739730Y2 - Bonnet structure of agricultural chemical sprayer - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a bonnet structure of an agricultural chemical spraying vehicle such as a speed sprayer. More specifically, the bonnet can be opened and closed without trouble even under a shelf for fruit making. It relates to a bonnet structure that can be.

[Conventional technology]

7 to 11 relate to various conventional bonnet structures of speed sprayers, FIG. 7 is a perspective view of the bonnet structure, FIG. 8 is a perspective view of another bonnet structure, and FIG. 9 is an IX of FIG. FIG. 10 is a sectional view taken along line IX, FIG. 10 is a perspective view of yet another bonnet structure, and FIG. 11 is a sectional view taken along line XI-XI in FIG.

In the bonnet structure of FIG. 7, the bonnet 22 is located at the rear side of the chemical liquid tank 20 and is composed of an integral member that covers the upper and left and right sides of the engine room. Bonnet 22
The front side of the upper wall is rotatably connected to the rear side of the upper surface of the chemical liquid tank 20 via a plurality of hinges 32. When opening the bonnet 22, the rear side of the bonnet 22 is swung around the pin of the hinge 32 so as to rise above the upper surface of the chemical liquid tank 20.

In the bonnet structure shown in FIGS. 8 and 9, the columns 72 are fixed at the front and rear ends so as to extend in the front-rear direction of the speed sprayer at the upper left and right center of the engine room. In, a left part 70a and a right part 70b are divided into a left part and a right part. The left part 70a and the right part 70b are composed of an upper wall part that covers the upper half of the engine room and a side wall part that covers the side of the engine room.The side part of the upper wall part on the side of the column 72 is connected via the hinge 32. And is swingably connected to the column 72. When opening the bonnet 22, the left portion 70a and the right portion 70b are swung around the pin of the hinge 32 so that the lower side portions of the left portion 70a and the right portion 70b are raised. At that time, the corner portions of the left portion 70a and the right portion 70b are located higher than the upper surface of the chemical liquid tank 20.

In the bonnet structure of FIGS. 10 and 11, the bonnet 22
Has an upper central wall portion 74 having a predetermined left and right width, and a left portion 76a and a right portion 76b extending on both sides of the upper central wall portion 74. The left portion 76a and the right portion 76b cover the upper end portion of the engine room together with the sides of the engine room, have corner portions, and are connected to the upper center wall portion 74 via the hinge 32.
When opening the bonnet 22, the left portion 76a and the right portion 76b are swung around the pin of the hinge 32 so that the lower side portions of the left portion 76a and the right portion 76b are raised. At that time, the left part 76a
Also, the corner portion of the right portion 76b is located higher than the upper surface of the chemical liquid tank 20.

The speed sprayer travels in the orchard to control the orchard, but if auxiliary spray winders, chemical solution boxes, tools, etc. are arranged on the outer surface of the speed sprayer's vehicle body, they will become protrusions and branches, These auxiliary spreading winders and the like are generally housed in the engine room because they damage the leaves and fruit trees. And during the spraying work, open the hood 22 at any time,
These auxiliary spreading winders are taken out from the engine room.

[Problems to be solved by the device]

In the bonnet structure shown in FIGS. 7 to 11,
When opening the bonnet 22, the bonnet 22 is located higher than the chemical liquid tank 20.
Making shelves of pears, etc. When the fruit tree is under the shelves, the hood 22 hits the shelves, making it difficult to open the engine room.

In the bonnet structure of FIGS. 10 and 11, the left and right widths of the upper central wall portion 74 are increased so that the left and right side edges of the upper central wall portion 74 extend beyond the corner portions of the bonnet 22 to the side surface portion of the bonnet 22. If it reaches, the maximum swing of the left portion 76a and the right portion 76b is limited to the height of the upper surface of the chemical liquid tank 20, and the hood 22 under the shelf can be opened. However, it is difficult to open and close the entire upper part of the engine room.
As it is covered with 74, it hinders maintenance of the center of the engine room.

An object of the present invention is to provide a bonnet structure of an agricultural chemical spraying vehicle which can open and close the bonnet smoothly even under a shelf for fruit making and can easily attach and detach the side wall portion. Is.

[Means for Solving the Problems]

The invention will be described using the reference numerals of the drawings corresponding to the embodiments.

In the bonnet structure of the agricultural chemical spraying vehicle (10) of the present invention, the bonnet (22) includes the upper wall portion (28) and the side wall portion (30).
The upper wall portion (28) and the side wall portion (30) can be integrally pivotally supported via a hinge (34), and the side wall portion (30) is supported with respect to the upper wall portion (28). ), When it is rotated by a predetermined angle, the hinge (34) can be engaged and disengaged.

The hinge (34) has one side portion (50 or 52) having a guide (54) and the other side portion having a pin (60) pivotally supported by the guide (54). (52 or 50), and the one side portion (50 or 52) and the other side portion (52 or 50)
50) is provided with a drop-out preventing portion (56 or 62) that interferes with the withdrawal direction and cannot be inserted or removed until the mutual crossing angles pivotally attached to each other reach a predetermined angle.

[Action]

In this device, when the hood (22) is opened when the agricultural chemical spraying vehicle (10) is under a shelf for fruit making, the side wall (30) and the upper wall (28) are disconnected. The side wall part (30) is removed from the upper wall part (28), and the engine room is opened laterally. In this case, the side wall (30) is swung around the pin (60) of the hinge (34) on the upper side so that the lower side moves upward. When the side wall part (30) reaches a predetermined swing position lower than the upper wall part (28), mutual interference of the fall prevention parts (56 or 62) is released, so that the pin (60) of the hinge (34). Can be removed from the guide (54), and the pin (60) can be removed from the guide (54).
And the hinge (34) has one side (50 or 52) separated from the other side (52 or 50). As a result, the side wall part (30) is removed from the upper wall part (28), and the side part of the engine room is opened.

〔Example〕

The invention will be described below with reference to the embodiments shown in FIGS.

Figure 6 shows a speed sprayer as an agricultural chemical sprayer.
It is a side view of 10. The speed sprayer 10 includes a frame 16 that is supported by front wheels 12 and rear wheels 14 and is self-propelled, and on the outer surface of the speed sprayer 10, the driver's seat 18, the chemical liquid tank 20, the hood 22, and the bonnet 22 in order from the front. Spurt
24 and a blower 26 are arranged.

FIG. 1 is a perspective view of the bonnet structure including the range of the chemical liquid tank 20, and FIG. 2 is a perspective view of the bonnet structure when the side wall portion 30 is opened. Bonnet 22 is a speed sprayer 10
Arranged behind the chemical liquid tank 20 with respect to the front-back direction of
It has an upper wall portion 28 and left and right side wall portions 30. In the engine room, in addition to an engine used for traveling and driving the blower 26, a pump for pressure-feeding the chemical solution to the nozzle 24, an auxiliary spraying winder, a chemical solution box, tools and the like are housed. The upper wall portion 28 covers the upper portion of the engine room and the upper end portions on the left and right sides and has a corner portion, and the side wall portion 30 is on the engine room side in a range appropriately below the corner portion of the upper wall portion 28. Covering the other side. The hinge 34 rotatably connects the lower side portion of the upper wall portion 28 on the side portion side and the upper side portion of the side wall portion 30.
Can be swung so that the lower side portion thereof rises upward. The hook 36 is fixed to the lower side of the side wall 30, and
It can be locked to the lower body part.

FIG. 3 is a perspective view showing the structure of the hinge 34.

The hinge 34 of FIG. 3 has an upper wall portion or one side portion 50 and a side wall portion or the other side portion 52. The one side portion 50 is fixed to the lower side portion of the upper wall portion 28 by a screw inserted through the insertion hole 44, and the lower side portion of the one side portion 50 has a notch in the center.
58 is formed, and on both sides thereof, a circumferential guide 54 and a stopper 56 bent at a right angle are formed.
The other side portion 52 is attached to the side wall portion 30 by a screw inserted through the insertion hole 48.
Is fixed to the upper side portion, the pin 60 extends parallel to the circumferential guide 54, the stopper 62 is bent at a right angle below the pin 60, and the insertion hole 48 connects the other side portion 52 to the side wall portion 30 of the side wall portion 30. A screw for fixing to the upper side is inserted. When the one side portion 50 and the side wall portion side portion 52 are connected to each other, the pin 60 is inserted through the circumferential guide 54, and the stopper 62 is positioned at the notch 58.
Since the stoppers 56 and 62 are in contact with each other in the axial direction of the pin 60 until the one-side portion 50 and the other-side portion 52 are at positions substantially perpendicular to each other, the one-side portion 50 and the other-side portion 52 are not separated. However, when the one-side portion 50 and the other-side portion 52 are at positions substantially perpendicular to each other, the stoppers 56 and 62 are not in contact with each other with respect to the axial direction of the pin 60, and therefore the pin 60 from the circumferential guide 54 is removed. Withdrawal is possible and the one-side part 50 and the other-side part 52 can be separated from each other.

4 and 5 show the hinge 34 in the 180 ° position and the right angle position, respectively. The other side portion 52 swings from a position at 180 ° to the one side portion 50 to a substantially right angle position, and can be separated from the one side portion 50 at the substantially right angle position.

Note that, in practical use, the vertical relationship between the one side portion 50 and the other side portion 52 can be reversed.

The operation of the embodiment will be described.

To open the bonnet 22 when the speed sprayer 10 is under a shelving fruit shelf, the hook 36 is removed and the side wall 30 is hinged from a vertical position to a generally horizontal position so that its lower side moves upward. Swing around pin 60 on 34. When the side wall portion 30 is in a substantially horizontal position (Fig. 2), the side wall portion 30 is lower than the upper surface of the chemical liquid tank 20, and at this position, the interference of the pair of caps (56 or 62) is released and the pin of the hinge 34 is released. The 60 is removable from the circumferential guide 54 and the pin 60 is withdrawn from the circumferential guide 54 to separate the other side portion 52 of the hinge 34 from the one side portion 50. As a result, the side wall portion 30 is removed from the upper wall portion 28, the side portion of the engine room is opened, and the auxiliary spreading winder, the chemical solution box, the tool and the like in the engine room are taken in and out from the side portion of the engine room. When the side wall portion 30 is connected to the upper wall portion 28, the order of removing the side wall portion 30 from the upper wall portion 28 is reversed, and the pin 60 is fitted into the circumferential guide 54 of the one side portion 50. Then, the side wall portion 30 is returned to a substantially vertical position (Fig. 1).

[Effect of device]

In this device, since the side wall of the bonnet is detachable at a position lower than the upper wall, it is possible to put the side wall against the shelf even when there is an agricultural chemical sprayer under the shelf for fruit making. The side wall can be removed and the engine room can be opened without any difficulty due to the presence of the shelves.

And, the hinge that rotatably connects the upper wall portion and the side wall portion,
Since the pin is insertable and withdrawable from the guide at a predetermined swing angle that cancels the interference of the dropout prevention portion between the one side portion and the other side portion, and is separated into the upper wall portion side portion and the side wall portion side portion, The side wall can be easily attached and detached by swinging and displacing the side wall in a predetermined direction.

[Brief description of drawings]

1 to 7 relate to an embodiment of the present invention, FIG. 1 is a perspective view of a bonnet structure including a range of a chemical liquid tank, FIG. 2 is a perspective view of a bonnet structure when a side wall portion is opened, and FIG.
The figure is a perspective view showing the structure of the hinge, FIGS. 4 and 5 are views showing the 180 ° position and the right angle position of the hinge, respectively, and FIG. 6 is a side view of a speed sprayer as an agricultural chemical spraying vehicle. 1 to 11 relate to various conventional bonnet structures of a speed sprayer, FIG. 7 is a perspective view of the bonnet structure, FIG. 8 is a perspective view of another bonnet structure, and FIG.
8 is a sectional view taken along line IX-IX in FIG. 8, FIG. 10 is a perspective view of still another bonnet structure, and FIG. 11 is a sectional view taken along line XI-XI in FIG. 10 …… Speed sprayer (agricultural chemical sprayer), 20…
… Chemical solution tank (body part), 22 …… bonnet, 28 ……
Upper wall part, 30 ... Side wall part, 34 ... Hinge, 50 ... Upper wall part (one side part), 52 ... Side wall part (other part), 60
...... Pin, 54 …… Circular guide (guide)

Claims (2)

[Scope of utility model registration request] 1. A bonnet (22) comprises an upper wall portion (28) and a side wall portion (30), and these upper wall portion (28) and side wall portion (3).
0) can be integrally pivoted through the hinge (34),
Bonnet structure of agricultural chemical spraying vehicle, characterized in that the hinge (34) can be engaged and disengaged when the side wall (30) is rotated a predetermined angle with respect to the upper wall (28). . 2. The hinge (34) comprises a side portion (50 or 52) having a guide (54) and a pin (60) pivotably supported by the guide (54). Other side part (52 or 50)
And one side portion (50 or 52) and the other side portion (52
Or 50), the agricultural product according to claim 1, further comprising: a fall prevention part (56 or 62) that cannot be inserted and removed until a mutual crossing angle pivotally attached to each other reaches a predetermined angle. The bonnet structure of the chemical spray vehicle.