JP2000083555A - Crawler sprayer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a crawler sprayer simplified in structure and capable of easily synchronizing the pay out and wind-up of a hose with the travel speed of the crawler sprayer by rotating a hose reel from sprockets for driving the hose reel engaged with a specific position through a transmission mechanism. SOLUTION: In this crawler sprayer, sprockets 17 for driving a hose reel are engaged with a sprocket-engaging member 9 for driving a crawler on the inner side surface of the travel crawler 8, and the hose reel 7 is rotated using the hose reel-driving sprockets 17 through transmission mechanism 18-27. Preferably, in the crawler sprayer, the sprockets 17 for driving the hose reel are engaged with the sprocket-engaging member 9 for driving the crawler on the inner side surface of the travel crawler 8, and the hose reel 7 and a regularly hose-winding means 29 interlocked with the hose reel 7 are driven using the hose reel-driving sprockets 17 through the transmission mechanisms 18-27.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a crawler sprayer for spraying a liquid such as a medicine in a field or the like.

[0002]

2. Description of the Related Art Conventionally, as an example of a chemical spraying vehicle for spraying a liquid such as a medicine in a field or the like, a motor, a dynamic injection pump, a hose reel, a spray nozzle device and the like are provided on a chassis equipped with a crawler type traveling device. There is provided a crawler sprayer that supplies a liquid such as a medicine via a hose from a chemical liquid tank mounted on the ground or mounted on a transport vehicle or the like.

A crawler sprayer as described above is generally equipped with a hose feeding and winding device as shown in FIG. That is, in the figure, 40 is a prime mover such as a motor or an internal combustion engine, and 41 is a hose reel to which the rotational driving force from the prime mover 40 is transmitted via an endless belt 42 as power transmission means. A hose 43 has one end connected to a discharge port of a dynamic injection pump (not shown) and wound around the hose reel 41.
However, the hose reel 41 can be forcibly fed out or wound up by power from the hose reel 41 via a hose feeding roller 44. Further, a spray nozzle 46 having a spray cock 45 at hand is provided at the tip of the hose 43. It is connected. Reference numeral 47 denotes an endless belt as power transmission means for transmitting the rotational driving force from the prime mover 40 to the hose feed roller 44.

[0004] Also, the prime mover 4 is provided on the prime mover 40 side.
A first electromagnetic clutch 48 for transmitting or interrupting the rotation driving force of 0 to the hose reel 41 is attached, and the rotation driving force of the prime mover 40 is transmitted to the hose feeding roller 44 on the hose feeding roller 44 side. And a second electromagnetic clutch 49 for transmitting or disconnecting the clutch.

That is, in the conventional hose reel driving device, the rotational driving force of the prime mover 40 activates the first electromagnetic clutch 48 and the second electromagnetic clutch 49 so that the endless belts 42 and 47 are driven. The hose 43 is transmitted to the hose reel 41 and the hose feeding roller 44 via the hose, and the hose 43 is fed or wound.

[0006]

However, in the conventional crawler sprayer having the above structure, a separate
A motor for driving a hose reel and a hose feeding roller is provided, and a power for driving a hose reel and a hose feeding roller whose rotation speed is controlled from an appropriate position of the traveling internal combustion engine is taken out in synchronization with the traveling speed of the chassis. There was a problem such as having to do.

The present invention has been made in view of the above circumstances, and takes out the driving force of a hose reel and a hose aligning and winding means from a traveling crawler section to simplify the apparatus, and to make the hose unreeling. It is an object of the present invention to provide a crawler sprayer that can easily synchronize winding with a running speed.

[0008]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and a hose reel driving sprocket is engaged with a crawler driving sprocket engaging portion on the inner surface of a traveling crawler. The hose reel is rotated from the reel drive sprocket via a transmission mechanism, and further, the hose reel drive sprocket is engaged with the crawler drive sprocket engagement portion on the inner surface of the traveling crawler. , A hose reel and a hose alignment winding means interlocked with the hose reel are driven from the hose reel driving sprocket via a transmission mechanism, and more preferably,
The hose reel driving sprocket has the same diameter and the same number of teeth as the crawler driving sprocket.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a conceptual diagram showing a side surface of an example of a crawler sprayer according to the present invention.

The crawler sprayer 1 shown in the embodiment of the drawings has an internal combustion engine 4 as a prime mover mounted on a rear side of a chassis 2 having a traveling crawler 8 via a downwardly U-shaped support 3. Further, a spray nozzle device 6 having a plurality of spray nozzles 5 along the vertical direction is attached to the front end of the chassis 2 substantially at the center in the left-right direction. A hose reel 7 and the like are mounted between the internal combustion engine 4 and the spray nozzle device 6 on the chassis 2.

Next, the traveling crawler 8 will be described. The traveling crawler 8 that supports the chassis 2 is formed in an endless shape, and the inner surface of the traveling crawler 8 is engaged with teeth of a crawler driving sprocket 11. A plurality of teeth 9, which are joint portions, are formed at equal intervals along the crawler loop, and a tension wheel 10 is provided at a front end in the crawler loop.
The crawler driving sprocket 11 that engages with the teeth 9 is provided inside the rear end, and the crawler driving sprocket 11 is rotated by a driving force transmitted from the internal combustion engine 4 via a transmission or the like 12. The traveling crawler 8 is driven to travel.

Further, a suitable number of intermediate wheels 13 and 14 are provided on the ground contact side between the crawler driving sprocket 11 and the tension wheel 10, so that the ground surface of the traveling crawler 8 is kept horizontal. Have been.

In the figure, reference numeral 15 denotes an operation handle, which is raised at an appropriate position on the undercarriage 2 and whose upper appropriate position is bent rearward, so that the internal combustion engine 4 can be started at an appropriate position which is easy for an operator to operate. Various operation levers 16 for forward, backward running, and stop operations are provided.

Further, a hose reel driving sprocket 17 that engages with the teeth 9 on the inner surface of the crawler loop of the traveling crawler 8 and supports the upper side of the crawler loop is supported by the first counter shaft 18. Provided. The sprocket 17 for driving the hose reel is preferably configured to have the same diameter and the same number of teeth as the sprocket 11 for driving the crawler.

Further, a first sprocket 19 is provided on the first counter shaft 18 supporting the hose reel driving sprocket 17, and the first sprocket 19 and the Support base 20
The second countershaft 2 supported by providing
The first drive chain 23 is suspended between the second sprockets 22 provided on the first drive chain 23.

Further, a third sprocket 24 is provided coaxially with the second sprocket 22, and the third sprocket 24 and a rotation shaft 25 of the hose reel 7 are provided.
The second drive chain 27 is suspended between the fourth sprockets 26 provided on the second drive chain 27. In the embodiment of the drawings,
The hose reel 7 has both ends of the rotating shaft 25,
Left and right support plates 2 provided at appropriate intervals on the chassis 2
8 supported.

Further, in the embodiment shown in the drawings, a traverser pulley 29 as a hose alignment winding means is provided between the hose reel 7 and the counter shaft 21.
Is provided. Specifically, the rotation shaft 31 of the traverser pulley 29 is supported between the left and right support plates 30 provided at an appropriate distance from the support plate 28 of the hose reel 7 near the second counter shaft 21. Then, a third drive chain 34 is bridged between a fifth sprocket 32 provided on the rotating shaft 31 and a sixth sprocket 33 provided on the rotating shaft 25 of the hose reel 7.

The traverser pulley 29 draws out the hose H evenly from the hose reel 7 by means of a traverser mechanism (not shown), and the hose H is evenly wound around the hose reel 7 (aligned winding). It is configured to be.

Furthermore, the inside end of the hose H wound around the hose reel 7 is connected to the spray nozzle device 6.
And an outer end 37 thereof is connected to a discharge port of a dynamic injection pump mounted on a truck bed or the like (not shown).
In the drawing, reference numeral 35 denotes a roller for holding when the hose is extended,
Is a pair of hose guide rollers provided on the rear end of the chassis 2 on the left and right.

The crawler sprayer 1 according to the present embodiment is generally mounted on a truck and transported to a site, and is used exclusively for a chemical spraying operation that reciprocates between ridges.
When traveling on the road is required, a clutch is interposed between the first countershaft 18 and the first sprocket 19 or between the second countershaft 21 and the second sprocket 22 or the like. The hose H is configured so that the feeding and winding of the hose H can be stopped.

Next, the operation of spraying the chemical solution by the crawler sprayer 1 will be described. One-touch coupler 37 which is the outer end of the hose H wound around the hose reel 7 mounted on the crawler sprayer 1 will be described.
Is drawn backward through the U-shaped space of the support base 3 of the internal combustion engine 4 and connected to a discharge port of a plunger type dynamic injection pump or the like installed on the ground (not shown) or mounted on a carrier.

Thereafter, the crawler sprayer 1 is operated by operating the operation levers 16 of the operation handle 15.
For example, the vehicle is run in a furrow. As a result, as the traveling crawler 8 travels between the ridges, the hose reel driving sprocket 17 engaged with the teeth 9 on the inner surface of the loop of the traveling crawler 8 is rotated.

With the rotation of the hose reel driving sprocket 17, the first driving chain 23, the second sprocket 22, The hose reel 7 is rotated via the third sprocket 24, the second drive chain 27, and the fourth sprocket 26 on the same axis.

Further, the rotary shaft 25 of the hose reel 7
The sixth sprocket 33 provided coaxially with the fourth sprocket 26, and the traverser pulley 29
The fifth sprocket 32 provided on the rotary shaft 31
The traverser pulley 29 is also rotated by the third drive chain 34 suspended therebetween, and the hose H
Of the chassis 2 by the traveling crawler 8
Is performed in order in synchronization with the traveling speed of the vehicle.

Next, after traveling along the furrow and completing the spraying of the chemical solution in one furrow, the crawler sprayer 1 is moved backward through the furrow as it is.

As a result, the hose reel driving sprocket 17, the coaxial first sprocket 19, the first driving chain 23, and the second sprocket 2
2. The hose reel 7 is reversely rotated via the third sprocket 24, the second drive chain 27, and the fourth sprocket 26 on the same axis, and at the same time, the traverser pulley is driven by the third drive chain 34. 29
The hose H is also rotated in the opposite direction to the above, so that the hose H is regularly wound around the hose reel 7.

In the illustrated example, the teeth engaged with the teeth of the hose reel driving sprocket 17 are projected inside the crawler loop. However, one of the teeth is replaced by the other. It can be appropriately changed and implemented, such as a fitting portion to be fitted.

Further, if an appropriate slip clutch (torque limiter) is interposed between the rotation shaft 25 of the hose reel 7 and the fourth sprocket 26, the rotation of the hose reel 7 can be controlled at the traveling speed. Therefore, synchronization can be performed more appropriately, which is more preferable.

[0029]

According to the present invention, the rotational force of the hose reel and the hose aligning and winding means is controlled by the traveling crawler section.
The hose can be taken out from an optimal position in terms of design, so that the apparatus can be simplified, and it is possible to easily synchronize the feeding and winding of the hose with the traveling speed of the chassis.

[Brief description of the drawings]

FIG. 1 is a side view of a crawler sprayer according to an embodiment of the present invention.

FIG. 2 is a conceptual diagram showing an example of a conventional hose feeding device.

[Explanation of symbols]

 Reference Signs List 1 crawler sprayer 7 hose reel 8 traveling crawler 9 teeth (crawler driving sprocket engagement portion) 11 crawler driving sprocket 17 hose reel driving sprocket 18-27 transmission mechanism 29 hose alignment winding means (traverser pulley)

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Naoki Chiba 1-7-2, Suehirocho, Ome-shi, Tokyo Co., Ltd. (72) Inventor Masashi Adachi 1-7-2, Suehirocho, Ome-shi, Tokyo Co., Ltd. (72) Inventor Miki Nobuyuki 1-7-2, Suehirocho, Ome-shi, Tokyo F-term (reference) 2B121 AA11 AA19 AA20 CB02 CB24 CB33 CB47 CB55 CC31 EA24 EA25 EA26 EA27 EA28 FA02 4D074 AA05 CC04 CC04 CC52 CC60

Claims (3)

[Claims] 1. A hose reel driving sprocket (17) is engaged with a crawler driving sprocket engaging portion (9) on an inner surface of a traveling crawler (8), and is connected to the hose reel driving sprocket (17). Transmission mechanism (18-2
A crawler sprayer characterized in that the hose reel (7) is rotated via (7). 2. A hose reel driving sprocket (17) is engaged with a crawler driving sprocket engaging portion (9) on an inner surface of a traveling crawler (8). Transmission mechanism (18-2
A crawler sprayer characterized in that a hose reel (7) and a hose aligning and winding means (29) interlocked with the hose reel (7) are driven via the hose reel (7). 3. The crawler sprayer according to claim 1, wherein the hose reel driving sprocket (17) has the same diameter and the same number of teeth as the crawler driving sprocket (11).