JPH0450935Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention relates to a chemical spraying vehicle such as a speed sprayer that is equipped with an auxiliary spreader, and more specifically, the auxiliary spreader can be mounted without protruding from the vehicle body. It concerns a chemical spray vehicle.

[Conventional technology]

The speed sprayer is equipped with an auxiliary sprayer so that in addition to spraying the chemical liquid from the jet head using the wind from the blower, the chemical liquid can also be sprayed using a spray hose.

In conventional speed sprayers, the auxiliary spreader is installed in the engine room, at the front or rear of the speed sprayer (e.g., Japanese Utility Model Publication No. 62-190666, etc.), or in a recess on the side of the blower (e.g., Japanese Utility Model Publication No. 1987-19066). −
25898, etc.).

[The problem that the idea attempts to solve]

If the auxiliary spreader is installed in the engine room of the speed sprayer, the bonnet may not be open and the auxiliary spreader may not be able to be used in locations where trees or the like are close to the top of the speed sprayer.

If the auxiliary spreader is located at the front or rear of the speed sprayer, the auxiliary spreader projects forward and rearward of the speed sprayer, increasing the length of the speed sprayer and increasing the minimum turning radius. , it becomes difficult to turn sharply, which is disadvantageous for driving in narrow fields. Also, when the running surface transitions from a horizontal surface to a sloped surface while driving forward, or from a sloped surface to a horizontal surface while reversing, the auxiliary spreader protruding from the front or rear part hits the ground, and the slope The use of speed sprayers is restricted.

When arranging the auxiliary spreader in a recess on the side of the blower, special processing is required to form the recess.

The purpose of this invention is to solve the problems of the prior art and provide an advantageous installation structure for an auxiliary sprayer in a chemical sprayer.

[Means to solve the problem]

This invention will be explained using reference numerals in the drawings that correspond to the embodiments.

In the chemical dispersion vehicle according to the first aspect, the blower 26 includes an upstream stationary blade 30 and a downstream moving blade 32 that are arranged with their center lines equal to each other, and the hub cap 58 is connected to the hub portion of the stationary blade 30. Covering the upstream side of 34,
Auxiliary spreader 62 includes a take-up reel 74 that takes up spray hose 72 . One accommodation space 61 is formed inside the hub portion 34 and the hub cap 58, and the auxiliary spreader 62 is installed in this accommodation space 61.
It is housed within 1. In addition, hub cap 5
Reference numeral 8 allows the opening of the hub portion 34 on the side of the hub cap 58 to be opened and closed.

In the second aspect of the present invention, a dustproof net 50 is disposed to cover the upstream side of the blade section 36 of the stationary blade 30, and the hub cap 58 is coupled to the dustproof net 50 via a hinge 60.

In the third aspect of the present invention, the bracket 70 rotatably supports the take-up reel 74 and is fixed to the hub portion 34. And take-up reel 7
4 is located in the accommodation space 61 portion within the hub cap 58.

[Effect]

When the auxiliary spreader 62 is not in use, the hub cap 58 closes the opening on the hub cap 58 side of the hub portion 34 of the stationary blade 30, and the accommodation space 61 is closed to the outside, and the auxiliary spreader inside the accommodation space 61 is closed. The aircraft 62 is in a stowed state. As the blower 26 operates, air flows around the outer peripheries of the hub cap 58 and hub portion 34.

When using the auxiliary spreader 62, the blower 26
After stopping the operation, the hub cap 58 is opened, and the opening of the hub portion 34 on the side of the hub cap 58 is opened. As a result, the auxiliary spreader 62 in the accommodation space 61 is exposed, and the spray hose 72 is let out from the take-up reel 74 to carry out auxiliary spraying.

In the invention of claim 2, the rotation of the hub cap 58 with respect to the dustproof net 50 at the hinge 60 causes
Open and close the hub cap 58.

In the invention of claim 3, by opening the hub cap 58, the take-up reel 74 of the auxiliary spreader 62 is opened.
appears at a position protruding to the outside of the hub portion 34.

〔Example〕

This invention will be described below with reference to embodiments shown in the drawings.

FIG. 4 is a side view of the speed sprayer 10 as a chemical spraying vehicle. speed sprayer 10
The speed sprayer 10 has a frame 16 that is supported by front wheels 12 and rear wheels 14 so as to be self-propelled, and the frame 16 of the speed sprayer 10 includes, in order from the front, a driver's seat 18, a chemical tank 20, and an engine compartment cover. 22, a jet head 24, and a blower 26 are arranged.

FIG. 1 is a vertical cross-sectional view of the area including the blower 26. Inside the cylindrical fan case 28, a stator blade 30 and a rotor blade 32 are arranged on the upstream side and the downstream side, respectively, with their center lines coinciding with each other.
have a central hub portion 34 and radially extending hub portions 34 at radially inner and outer ends, respectively.
and a wing portion 36 coupled to the outer periphery of the fan case 28 and the inner periphery of the fan case 28. The drive shaft 38 extends horizontally rearward from the engine in an engine room (not shown) and is coupled to the rotor blade 32 at its rear end. The baffle plates 40 and 42 partition the front and rear parts of the jet head 24, respectively, and guide the air discharged forward from the blower 26 to a stop direction and to the sides. The plurality of nozzles 44 are arranged along the circumference of the jet head 24,
Spouts chemical liquid. The wind body 46 is a fan case 28
A suction port 48 fixed to the outer peripheral side of the speed sprayer 10 and facing toward the rear of the speed sprayer 10 is defined on the rear side of the stationary blade 30. The rigid dustproof net 50 is fixed to the wind fuselage 46 by bolts 52 at the peripheral portion, and is attached to the wing portion 36.
It covers the rear side of.

Figure 2 shows the center of the dustproof screen 50 connected to the suction port 48.
It is a perspective view seen from the side. The dustproof net 50 has a radiating portion 54 at an intersection point between a plurality of radially extending radiating portions 54 and a concentrically arranged radiating portion 54.
A plurality of circular portions 56 are connected to the circular portions 56. The hub cap 58 is disposed upstream of the center of the dustproof screen 50 and is rotatably coupled to the smallest diameter circular portion 56 via a hinge 60.

Returning to FIG. 1, the hub portion 34 and the hub cap 58 are made of cylinders with opposing sides open and non-opposing sides closed, and form one accommodation space 61 inside. The auxiliary spreader 62 has bolts 64 and nuts 66.
A bracket 70 whose lower end is fixed to the hub portion 34 by welding or the like, and a spray hose 7
2 and a take-up reel 74 which is rotatably supported at the upper end of the bracket 70. The bracket 70 is located within the hub portion 34, and the take-up reel 74 is located within the hub cap 58, and the axial direction of the take-up reel 74 is aligned with the axial direction of the blower 26. The connection hose 76 is connected at one end to a discharge port of a pump (not shown) and at the other end to the spray hose 76 to guide the chemical solution to the spray hose 72 .

FIG. 3 is a detailed structural diagram of the connection between the spray hose 72 and the connection hose 76. The spray hose 72 and the connection hose 76 are connected to each other via the untwist 78, so that even though the take-up reel 74 rotates when the spray hose 72 is pulled out, this rotation is not transmitted to the connection hose 76. ing. The hex bolt 80 is untwisted 7 at the tip.
8 controls restraint and permission of rotation of the untwist 78.

The operation of the embodiment will be explained.

When the auxiliary spreader 62 is not in use, the hub cap 58 closes the opening on the hub cap 58 side of the hub portion 34 of the stationary blade 30, and the accommodation space 61 is closed to the outside, and the auxiliary spreader inside the accommodation space 61 is closed. The aircraft 62 is in a stowed state. As the rotor blades 32 rotate, air is sucked in through the suction port 48 and flows toward the rotor blades 32 along the hub cap 58 and the outer periphery of the hub portion 34 .

When using the auxiliary spreader 62, the hub cap 58 is rotated around the hinge 60 to open the opening of the hub portion 34 on the hub cap 58 side. The take-up reel 74 is located inside the hub cap 58 when the hub cap 58 is closed, so when the hub cap 58 is opened, the take-up reel 74 moves into the hub portion 34.
It protrudes backward from the top and is completely exposed to the outside. In this way, while rotating the take-up reel 74,
The spray hose 72 is let out from the take-up reel 74 to perform auxiliary spraying.

[Effect of idea]

In this invention, the hub portion of the blower and the inside of the hub cap are used as a housing space for the auxiliary spreader, and the hub cap can freely open and close the opening on the hub cap side of the hub portion. Therefore, the auxiliary spreader can be mounted without hindering the operation of the blower. In addition, the auxiliary spreader can be used in places where it is difficult to open the bonnet to open and close the engine room, and even though the auxiliary spreader is installed on the chemical spraying vehicle, the overall length of the chemical spraying vehicle becomes longer. In addition, it is possible to avoid an increase in the minimum turning radius of the chemical spraying vehicle and restrictions on driving the chemical spraying vehicle on slopes. Furthermore, since the minimum turning radius can be kept small, the chemical spraying vehicle can be moved to just in front of the auxiliary spraying target, and the length of the spray hose on the take-up reel can be shortened accordingly. , the take-up reel can be made smaller.

According to the second aspect of the present invention, since the hub cap is rotatably connected to the dustproof screen by the hinge, the hub cap does not separate even when the hub cap is opened, making the work more convenient.

According to the invention of claim 3, as the hub cap is opened, the take-up reel appears with the hub portion protruding outward, so that the work of letting out and winding the spray hose from the take-up reel can be carried out efficiently. .

[Brief explanation of drawings]

The drawings relate to an embodiment of this invention; Fig. 1 is a vertical cross-sectional view of the area including the blower, Fig. 2 is a perspective view of the central part of the dustproof net seen from the suction port side, and Fig. 3 is a diagram showing the connection with the spray hose. FIG. 4 is a detailed structural diagram of the connecting portion with the connecting hose, and is a side view of the speed sprayer as a chemical spraying vehicle. 10...Speed sprayer (chemical spraying vehicle),
26... Blower, 30... Stationary blade, 32... Moving blade,
34...Hub part, 36...Wing part, 50...Dustproof net, 58...Hub cap, 60...Hinge, 6
1... Accommodation space, 62... Auxiliary spreader, 70...
Bracket, 72...Spray hose, 74...Take-up reel.

Claims (1)

[Claims for Utility Model Registration] (1) The blower 26 includes an upstream stationary blade 30 and a downstream moving blade 3 arranged with their center lines equal to each other.
2, the hub cap 58 is connected to the stationary blade 30.
covers the upstream side of the hub portion 34 of the auxiliary spreader 62.
is a take-up reel 74 that winds up the spray hose 72.
In the chemical dispersion vehicle including the hub portion 34 and the hub cap 5, one housing space 61 is
8, the auxiliary spreader 62 is housed in the accommodation space 61, and the hub cap 58 is capable of opening and closing an opening on the side of the hub cap 58 of the hub portion 34. (2) A dustproof net 50 is disposed to cover the upstream side of the blade portion 36 of the stationary blade 30, and
The chemical spraying vehicle according to claim 1, wherein 8 is coupled to the dustproof net 50 via a hinge 60. (3) The bracket 70 rotatably supports the take-up reel 74 and is fixed to the hub portion 34, and the take-up reel 74 is located in the accommodation space 61 within the hub cap 58. The chemical spray vehicle according to claim 1 or 2, characterized in that: