JPH09315696A - Hose winding apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To decrease a cost by realizing no requirement of a motor exclusively used in a hose winding apparatus applied to a pest control machine using a monorail. SOLUTION: There are provided a hose reel 2, a pinion 3, a one-way clutch, an automatic clutch 5, a torque limiter 6, and especially the pinion 3 which is rotated together with a movement of a trailer 55 by engaging with a rack of a monorail, the one-way clutch transmitting only a rotation in a backing direction from the pinion 3 to the hose reel 2, and the automatic clutch 5 transmitting a rotation in a backing direction from the one-way clutch as a rotation in a direction of winding of the hose reel 2 and not transmitting a rotation in a direction of send-off of the hose reel 2 to the one-way clutch.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a hose winding device used in an orchard with many slopes and applied to a control machine using a monorail.

[0002]

2. Description of the Related Art Conventionally, as a control machine of this type, for example, a towed vehicle towed by a towed vehicle and traveling along a single rail, a sprayer provided on the towed vehicle and spraying a chemical solution, A hose winding device that is provided in a towing vehicle and connects a sprayer and a chemical liquid supply source is known.
As the hose winding device, for example, a hose reel rotatably provided on a towed vehicle and having a hose wound thereon, a prime mover provided on the towed vehicle to rotate the hose reel, and It is known that the main clutch is provided between the hose reel and the hose reel to connect and disconnect the power from the prime mover, and a torque limiter that idles the hose reel when the hose reel is overloaded. And, in such a thing, when the extermination machine moves forward, the main clutch is disengaged, rotation of the hose reel in the feeding direction is allowed and the hose is fed out, and when the extermination machine moves backward, the main clutch is engaged. When the hose is rotated in the winding direction by the prime mover and the hose is wound, and the tension above a certain level acts on the hose, the torque limiter prevents the hose reel from rotating in the winding direction.

[0003]

However, such a device requires a dedicated prime mover, and thus has a drawback of high cost. SUMMARY OF THE INVENTION The present invention has been made in view of the above problems and was devised to solve this problem. The object of the present invention is to reduce the cost by eliminating the need for a dedicated prime mover. To provide.

[0004]

SUMMARY OF THE INVENTION The hose winding device of the present invention basically engages a hose reel rotatably provided on a towed vehicle and around which a hose is wound, with a single rail rack. And a one-way clutch that is provided between the pinion and the hose reel and that transmits only the reverse rotation from the pinion to the hose reel, the one-way clutch and the hose reel. An automatic clutch that is provided between the one-way clutch and the one-way clutch to transmit the rotation in the reverse direction as the rotation of the hose reel in the winding direction and that does not transmit the rotation in the unwinding direction of the hose reel to the one-way clutch; It is characterized by a torque limiter that idles this when it is overloaded.

When the towed vehicle is moved forward, the pinion meshed with the single rail rack is rotated in the forward direction, and the rotation is transmitted to the one-way clutch, which is in a disengaged state.
When the one-way clutch is disengaged, the forward rotation of the pinion is not transmitted thereafter. On the other hand, when the towed vehicle is moved forward, the hose is pulled and fed from the hose reel, and the hose reel is rotated in the feeding direction. When the hose reel is rotated in the payout direction, the rotation is transmitted to the automatic clutch, which is in a disconnected state. When the automatic clutch is in the disengaged state, the rotation of the hose reel in the feeding direction is not transmitted to the one-way clutch, and the hose reel is freely rotated in the feeding direction. Therefore, the hose is fed out according to the forward speed of the towed vehicle. When the towed vehicle is moved backward, the pinion meshed with the single-rail rack is rotated in the backward direction, and the rotation is transmitted to the one-way clutch to be in the connected state. When the one-way clutch is in the connected state, the reverse rotation of the pinion is transmitted to the automatic clutch via the torque limiter, and the automatic clutch is in the connected state. When the automatic clutch is in the engaged state, the reverse rotation of the pinion is transmitted to the hose reel, which rotates in the winding direction. When the hose reel is rotated in the winding direction, the hose is wound. At this time, if a certain amount of tension is applied to the hose due to the change in the winding diameter, the hose reel is idled by the torque limiter and rotation in the winding direction is blocked. Therefore, the hose is wound according to the reverse speed of the towed vehicle.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a side view showing a monorail control machine to which the hose winding device of the present invention is applied. FIG.
FIG. 3 is a schematic plan view of the hose winding device showing a forward movement. FIG. 3 is a view similar to FIG. FIG. 4 is a cross-sectional plan view showing the structure of the automatic clutch. FIG. 5 is a vertical sectional front view of FIG. 4.

The hose take-up device 1 is mainly composed of a hose reel 2, a pinion 3, a one-way clutch 4, an automatic clutch 5 and a torque limiter 6, and is applied to a monorail control device 50.

The monorail control device 50 comprises a single rail 52 which is laid in an orchard with many slopes and has a rack 51,
A tow vehicle 53 traveling along this, a towed vehicle 55 having four wheels 54 towed by the tow vehicle 53 to sandwich the single rail 52 in the middle, a nozzle 56 and a blower 57 provided in front of this. And a prime mover 58 for spraying a chemical solution 59
And a chemical liquid supply source (not shown) provided near the base of the single rail 52 and equipped with a tank, a pump, and a prime mover, and the towed vehicle 5
5 and a hose winding device 1 that is provided on the rear side of the hose 5 and connects the chemical liquid supply source and the sprayer 59.

The hose reel 2 is rotatably provided on the towed vehicle 54 and has the hose 7 wound thereon. In this example, the hose 7 is provided with a drum 8 around which the hose 7 is wound and both sides thereof. And left and right reel shafts 9 and left and right pedestals 10 that are provided on the rear side of the towed vehicle 54 and rotatably support the reel shaft 9 around the horizontal axis.

The pinion 3 is meshed with the rack 51 of the single rail 52 and rotated with the movement of the towed vehicle 55. In this example, the pinion 3 is formed on the rear lower wheel 54,
The towed vehicle 55 is connected to a drive shaft 11 rotatably provided around a horizontal axis.

The towed vehicle 55 is provided with an intermediate shaft 12 in addition to the drive shaft 11 so as to be rotatable around a horizontal axis. The drive shaft 11 and the intermediate shaft 12 are linked by a main clutch 13, and the intermediate shaft 12 and one reel shaft 9 are linked by a belt transmission mechanism 14. Main clutch 1
Reference numeral 3 denotes a belt tension clutch including a drive pulley 15 provided on the drive shaft 11, a driven pulley 16 provided on the intermediate shaft 12, a belt 17 wound around these, and a tension roller 18 for tensioning / relaxing the belt 17. There is. The belt transmission mechanism 14 includes a drive pulley 19 provided on the intermediate shaft 12, a driven pulley 20 provided on one reel shaft 9, and a belt 21 wound around these.

The one-way clutch 4 is provided between the pinion 3 and the hose reel 2 and transmits only the reverse rotation of the pinion 3 to the hose reel 2. In this example, the one-way clutch 4 is driven by the main clutch 13. It is interposed between the pulley 16 and the intermediate shaft 12 and does not transmit the forward rotation of the driven pulley 16 (clockwise direction indicated by a solid arrow in FIGS. 1 and 2) to the intermediate shaft 12 and The rotation of the pulley 16 in the backward direction (counterclockwise direction shown by the broken line arrow in FIGS. 1 and 3) is transmitted to the intermediate shaft 12.

The automatic clutch 5 is provided between the one-way clutch 4 and the hose reel 2 so that the backward rotation of the one-way clutch 4 is rotated in the winding direction of the hose reel 2 (see FIGS. 1 and 3). And the rotation of the hose reel 2 in the feeding direction (clockwise direction shown by the solid arrow in FIGS. 1 and 2) is not transmitted to the one-way clutch 4. In the example, a special claw clutch 22 and a one-way clutch 23 are combined, and a bush 24 with a flange is provided rotatably on the reel shaft 9 on the left side (lower side in FIGS. 2 and 3). And a fixed claw clutch plate 25 connected to the reel shaft 9 on the left side thereof,
A movable claw clutch provided on the bush 24 so as to be rotatable and axially movable so as to transmit only the reverse rotation when meshing with the fixed claw clutch plate 25, and the driven pulley 20 of the belt transmission mechanism 14 is formed on the outer periphery. Guide means provided with a plate 26 and a twist groove and a pin provided between the plate 26 and the bush 24 for engaging the movable claw clutch plate 26 and the fixed claw clutch plate 25 with rotation of the movable claw clutch plate 26 in the backward direction. 27 and a support fitting 28 attached to the fixed side
And the bush 2 that is interposed between this and the bush 24.
4 and a one-way clutch 23 that prevents rotation in the forward direction and allows rotation in the reverse direction.

The torque limiter 6 idles the hose reel 2 when it is overloaded. In this example, the torque limiter 6 drives between the one-way clutch 4 and the automatic clutch 5, that is, the drive of the intermediate shaft 12 and the belt transmission mechanism 14. It is interposed between the pulley 19.

As is well known, the hose winding device 1 is provided on the gantry 10, and brakes the rotation of the hose reel 2 in the feeding direction to brake the rotation in the winding direction. A hose traverse mechanism 31 is provided on the rear side of the gantry 10 and is linked to the reel shaft 9 on the right side through a belt transmission mechanism 30 to align the hoses 7.

Next, the operation will be described based on such a configuration. The main clutch 13 is put in the connected state and the towed vehicle 55 moves forward (to the left as shown by the solid arrow in FIGS. 1 and 2).
Then, the pinion 3 meshed with the rack 51 of the single rail 52 is rotated in the forward direction (clockwise direction indicated by the solid arrow in FIGS. 1 and 2), and the rotation is driven shaft 11 → main clutch 13 → It is transmitted to the one-way clutch 4 and is in a disengaged state. When the one-way clutch 4 is in the disengaged state, the forward rotation of the pinion 3 is not transmitted from the driven pulley 16 of the main clutch 3 to the intermediate shaft 12. On the other hand, when the towed vehicle 55 is moved forward, the hose 7 is pulled and fed from the hose reel 2, and the hose reel 2 rotates in the feeding direction (FIG. 1, FIG.
2 is a clockwise direction indicated by a solid arrow). When the hose reel 2 is rotated in the payout direction, the rotation is transmitted to the reel shaft 9 → the automatic clutch 5 so that the pawl clutch 22 of the automatic clutch 5 is disengaged and the one-way clutch 23 of the automatic clutch 5 is connected. It becomes a state. Automatic clutch 5
When the claw clutch 22 of is disconnected, the hose reel 2
The rotation of the reel in the feeding direction from the reel shaft 9 to the belt transmission mechanism 14
Is not transmitted to the driven pulley 20, and the hose reel 2 is freely rotated in the feeding direction. When the hose reel 2 is rotated in the feeding direction, the hose 7 is fed. Automatic clutch 5
When the one-way clutch 23 is engaged, the support fitting 2
Rotation of the bush 24 in the feeding direction with respect to 8 is prevented, and the rotation with the reel shaft 9 is prevented, and the movable pawl clutch plate 26 is kept in the original position, that is, the disconnection position (FIG. 2, FIG.
4 and 5). Therefore, the hose 7 is fed out according to the forward speed of the towed vehicle 55. At this time, the brake mechanism 29 prevents the hose 7 from being excessively fed out, and the hose traverse mechanism 31 feeds the hose 7 in an orderly manner.

When the main clutch 13 is engaged and the towed vehicle 55 is moved backward (to the right as indicated by the broken line arrow in FIGS. 1 and 3), the pinion 3 meshed with the rack 51 of the single rail 52 is engaged. Is rotated in the reverse direction (counterclockwise direction shown by the broken line arrow in FIGS. 1 and 3), and the rotation is transmitted to the drive shaft 11 → main clutch 13 → one-way clutch 4 to be in the connected state. When the one-way clutch 4 is engaged, the reverse rotation of the pinion 3 is transmitted to the intermediate shaft 12 → torque limiter 6 → belt transmission mechanism 14 → automatic clutch 5 and the pawl clutch 22 of the automatic clutch 5 is engaged. At the same time, the one-way clutch 23 of the automatic clutch 5 is disengaged. When the claw clutch 22 of the automatic clutch 5 is in the connected state, the reverse rotation of the pinion 3 is transmitted to the hose reel 2 via the reel shaft 9, and the hose reel 2 rotates in the winding direction (see FIGS. 1 and 3). In the counterclockwise direction indicated by the broken line arrow). When the hose reel 2 is rotated in the winding direction, the hose 7 is wound. When the one-way clutch 23 of the automatic clutch 5 is in the disengaged state, rotation of the bush 24 with respect to the support fitting 28 in the winding direction is allowed, and rotation with the movable pawl clutch plate 26 is allowed. When a certain amount of tension is applied to the hose 7 due to a change in the diameter of the hose 7 wound on the hose reel 2, the hose reel 2 is idly rotated by the torque limiter 6 and rotation in the winding direction is prevented. . Therefore, the hose is wound according to the reverse speed of the towed vehicle 55. At this time, the hose 7 is not obstructed by the brake mechanism 29, and the hose 7 is neatly wound by the hose traverse mechanism 31.

When the main clutch 13 is in the disengaged state, the hose reel 2 can be kept stationary regardless of the movement of the towed vehicle 55. For example, at the foot of the single rail 52, the hose reel 2 is disengaged from the main line to the branch line. When moving the towing vehicle 55, the hose 7 will not be carelessly wound up.

The automatic clutch 5 is a special pawl clutch 22.
With the structure in which the one-way clutch 23 and the one-way clutch 23 are combined, the rotation in the winding direction from the pinion 3 is automatically and surely transmitted to the hose reel 2 and the rotation in the feeding direction from the hose reel 2 is transmitted. Hose 7
The winding and unwinding of can be accurately performed.

Since the torque limiter 6 is interposed between the one-way clutch 4 and the automatic clutch 5, it can be operated only when the hose reel 2 is wound, and careless wear is prevented and the life is extended. Can be achieved.

The pinion 3 is a single rail 5 in the above example.
Although it is meshed with the corrugated plate-shaped rack 51 attached to the No. 2, it is not limited to this, and it may be meshed with a pin-hole-shaped rack formed at predetermined intervals of the single rail 52, for example. In the above example, the automatic clutch 5 omits a spring for urging the fixed claw clutch plate 25 and the movable claw clutch plate 26 of the claw clutch 22 so as to always separate them from each other. It may be provided. Monorail control machine 50
In the above example, the passenger cart on which the worker rides is omitted, but the present invention is not limited to this, and this may be provided, for example.

[0022]

As described above, according to the present invention, as described above,
The following excellent effects can be achieved. (1) It consists of a hose reel, a pinion, a one-way clutch, an automatic clutch, and a torque limiter, and in particular, a pinion that meshes with a single-rail rack and rotates with the movement of the towed vehicle, and a rotation in the reverse direction. Only a one-way clutch that transmits only the hose reel to the hose reel and an automatic clutch that transmits the rotation in the reverse direction as rotation in the winding direction of the hose reel and does not transmit the rotation in the feeding direction of the hose reel to the one-way clutch Therefore, a dedicated prime mover is not required, and the cost can be reduced. (2) A pinion that meshes with a single-rail rack and rotates with the movement of the towed vehicle, a one-way clutch that transmits only the rotation in the reverse direction to the hose reel, and a hose that rotates in the reverse direction. Since the automatic clutch that transmits the rotation in the winding direction of the reel and does not transmit the rotation in the unwinding direction of the hose reel to the one-way clutch is provided, it is possible to wind the hose in response to the traveling direction and the traveling speed of the towed vehicle. Feeding can be done automatically.

[Brief description of drawings]

FIG. 1 is a side view showing a monorail control machine to which a hose winding device of the present invention is applied.

FIG. 2 is a schematic plan view of the hose retractor showing the forward movement.

FIG. 3 is a view similar to FIG. 2 showing a reverse drive.

FIG. 4 is a cross-sectional plan view showing the structure of an automatic clutch.

FIG. 5 is a vertical sectional front view of FIG. 4;

[Explanation of symbols]

1 ... Hose winding device, 2 ... Hose reel, 3 ... Pinion, 4,23 ... One-way clutch, 5 ... Automatic clutch, 6
... Torque limiter, 7 ... Hose, 8 ... Drum, 9 ... Reel shaft, 10 ... Stand, 11 ... Drive shaft, 12 ... Intermediate shaft, 13
... Main clutch, 14,30 ... Belt transmission mechanism, 15,1
9 ... drive pulley, 16, 20 ... driven pulley, 17, 21
... belt, 18 ... tension roller, 22 ... claw clutch, 24 ... bush, 25 ... fixed claw clutch plate, 26 ...
Movable claw clutch plate, 27 ... Guide means, 28 ... Support metal fittings,
29 ... Brake mechanism, 31 ... Hose cross feed mechanism, 50 ...
Monorail control machine, 51 ... Rack, 52 ... Single rail, 53
... towing vehicle, 54 ... wheels, 55 ... towed vehicle, 56 ... nozzle, 57 ... blower, 58 ... prime mover, 59 ... spreader.

Claims (1)

[Claims] 1. A hose reel rotatably provided on a towed vehicle, around which a hose is wound, a pinion meshed with a single-rail rack and rotated as the towed vehicle moves, a pinion and a hose reel. A one-way clutch that is provided between the one-way clutch and the hose reel and that transmits only the reverse rotation from the pinion to the hose reel, and the one-way clutch that rotates in the reverse direction from the one-way clutch. An automatic clutch that transmits rotation of the reel in the winding direction and does not transmit rotation of the hose reel in the feeding direction to the one-way clutch, and a torque limiter that idles the hose reel when it is overloaded. Hose winding device.